Assess the data and tweets to estimate whether the closing price of $mrk will escalate or deflate at 2017-04-19. Respond with either Rise or Fall.
Context: date,open,high,low,close,adj-close,inc-5,inc-10,inc-15,inc-20,inc-25,inc-30
2017-04-04,-0.1,0.2,-0.5,0.3,0.3,-0.2,-0.4,0.0,0.5,1.0,1.3
2017-04-05,0.2,0.9,-0.1,-0.2,-0.2,-0.0,-0.2,0.0,0.5,1.1,1.4
2017-04-06,0.4,1.2,-0.1,-0.5,-0.5,0.4,0.3,0.5,0.8,1.4,1.8
2017-04-07,0.2,0.3,-0.3,-0.2,-0.2,0.5,0.5,0.6,0.9,1.4,1.8
2017-04-10,1.2,1.2,-0.0,-0.9,-0.9,1.1,1.3,1.3,1.7,2.1,2.6
2017-04-11,-0.1,0.3,-0.6,0.0,0.0,0.7,1.1,1.1,1.5,1.9,2.4
2017-04-12,-1.1,0.3,-1.2,0.8,0.8,-0.2,0.3,0.3,0.6,1.0,1.5
2017-04-13,0.3,0.6,-0.1,-0.7,-0.7,0.3,0.8,1.0,1.2,1.5,2.1
2017-04-17,-0.1,0.1,-0.7,0.3,0.3,-0.1,0.4,0.6,0.8,1.1,1.6
2017-04-18,0.3,0.3,-0.4,-0.8,-0.8,0.6,1.1,1.4,1.5,1.8,2.3

2017-04-04: rt AT_USER first #fda approved drug for rare skin #cancer called merkel cell carcinoma #pdl1 AT_USER AT_USER $pfe $mrk... |rt AT_USER first #fda approved drug for rare skin #cancer called merkel cell 
2017-04-05: rt AT_USER get ready for an explosive run $vdrm the next $owcp $cnbx $usrm $axim $cara $zyne $gwph $pfe $mrk $bmy #tradeideas htt¡­|rt AT_USER pepsi's ceo just had to go there! $vrx $agn $myl $mrk $jn
2017-04-06: rt AT_USER how uncoupling opdivo and yervoy could favour keytruda, via AT_USER  #aacr17 $bmy $mrk|rt AT_USER most drug makers lack evidence their access to medicines program actually work..  #pharma $
2017-04-07: merck &amp; co., inc. $mrk rating lowered to reduce at hsbc holdings plc |04/07/17 volume leader #84 - mrk 7,721,053 merck &amp; company $mrk 63.13 -0.11 -0.17% high today of 63.33 day low |insider se
2017-04-08: btw, i'm single &amp; available!  $vrx $agn $myl $ko $pep $mrk $jnj $aapl $tsla $twtr $brk $hf $iep $prgo $fb $hd $cscma $googl $ibm $amzn $crm|i sure do miss the golf course! beautiful day too! oooou
2017-04-09: rt AT_USER $mrk merck &amp; co. to present new data from hcv development programs |rx reading: $incy, $mrk expand their collaboration; gottlieb gets questioned; $acor cuts staff by 20% |rt AT_USER $mr
2017-04-10: dr. john h. noseworthy nominated to stand for election to #merck board of directors. read more:  $mrk|brief-#merck says board of directors to have 13 members. read more:  $mrk|benzinga: cardiovascular
2017-04-11: rt AT_USER merck¡¯s frazier gets his first raise, but total package shrinks as sales stall  $mrk|merck¡¯s frazier gets his first raise, but total package shrinks as sales stall  $mrk|or did i see the 
2017-04-12: rt AT_USER echo-202 epacadostat + pembro has added phase 2 expansion cohorts in gastric and hepatocellular carcinoma $incy $mrk |$mrk is in stochastic oversold  winning 60.56% in the past. |04/12/17 v
2017-04-13: rt AT_USER AT_USER AT_USER $ziop has in 30s but outsourced to $xon $mrk kgaa|AT_USER AT_USER $ziop has in 30s but outsourced to $xon $mrk kgaa|rt AT_USER first #fda approved drug for rare skin #cancer
2017-04-14: rt AT_USER  teaches #howtoperfect your #socialmedia #presence with #datascience $mrk $cmcsa $txn $dis $aig #b¡­|cowen and company reaffirms ¡°market perform¡± rating for merck &amp; co., inc. $mrk |#n
2017-04-15: it's a terrible things being poor &amp; at the mercy of others! try it! AT_USER $ko $pep $myl $mrk $aapl $twtr $aapl $brk $iep $googl|rt AT_USER .AT_USER here it is! why democrats are taking over atla
2017-04-16: AT_USER thanks for follow! see vista partners #worldnews commentary #investing #dow30¡­ |AT_USER could you run a valuation on $nwbo? phase 3 readouts soon and looks incredibly undervalued. possib¡­ |h
2017-04-17: merck &amp; co. $mrk receiving somewhat positive news coverage, analysis shows |merck &amp; co. $mrk receiving somewhat positive news coverage, analysis shows |merck &amp; co. $mrk receiving somewhat 
2017-04-18: rt AT_USER $agen recent articles suggest $gsk's #shingles vaccine may compete with $mrk's #zostavax. $gsk will capture all of the $4b¡­|4 healthcare stocks that are starting to look sick  $jnj $mrk $c
Answer:
date,open,high,low,close,adj-close,inc-5,inc-10,inc-15,inc-20,inc-25,inc-30
2017-04-04,-0.1,0.2,-0.5,0.3,0.3,-0.2,-0.4,0.0,0.5,1.0,1.3
2017-04-05,0.2,0.9,-0.1,-0.2,-0.2,-0.0,-0.2,0.0,0.5,1.1,1.4
2017-04-06,0.4,1.2,-0.1,-0.5,-0.5,0.4,0.3,0.5,0.8,1.4,1.8
2017-04-07,0.2,0.3,-0.3,-0.2,-0.2,0.5,0.5,0.6,0.9,1.4,1.8
2017-04-10,1.2,1.2,-0.0,-0.9,-0.9,1.1,1.3,1.3,1.7,2.1,2.6
2017-04-11,-0.1,0.3,-0.6,0.0,0.0,0.7,1.1,1.1,1.5,1.9,2.4
2017-04-12,-1.1,0.3,-1.2,0.8,0.8,-0.2,0.3,0.3,0.6,1.0,1.5
2017-04-13,0.3,0.6,-0.1,-0.7,-0.7,0.3,0.8,1.0,1.2,1.5,2.1
2017-04-17,-0.1,0.1,-0.7,0.3,0.3,-0.1,0.4,0.6,0.8,1.1,1.6
2017-04-18,0.3,0.3,-0.4,-0.8,-0.8,0.6,1.1,1.4,1.5,1.8,2.3

2017-04-04: rt AT_USER first #fda approved drug for rare skin #cancer called merkel cell carcinoma #pdl1 AT_USER AT_USER $pfe $mrk... |rt AT_USER first #fda approved drug for rare skin #cancer called merkel cell 
2017-04-05: rt AT_USER get ready for an explosive run $vdrm the next $owcp $cnbx $usrm $axim $cara $zyne $gwph $pfe $mrk $bmy #tradeideas htt¡­|rt AT_USER pepsi's ceo just had to go there! $vrx $agn $myl $mrk $jn
2017-04-06: rt AT_USER how uncoupling opdivo and yervoy could favour keytruda, via AT_USER  #aacr17 $bmy $mrk|rt AT_USER most drug makers lack evidence their access to medicines program actually work..  #pharma $
2017-04-07: merck &amp; co., inc. $mrk rating lowered to reduce at hsbc holdings plc |04/07/17 volume leader #84 - mrk 7,721,053 merck &amp; company $mrk 63.13 -0.11 -0.17% high today of 63.33 day low |insider se
2017-04-08: btw, i'm single &amp; available!  $vrx $agn $myl $ko $pep $mrk $jnj $aapl $tsla $twtr $brk $hf $iep $prgo $fb $hd $cscma $googl $ibm $amzn $crm|i sure do miss the golf course! beautiful day too! oooou
2017-04-09: rt AT_USER $mrk merck &amp; co. to present new data from hcv development programs |rx reading: $incy, $mrk expand their collaboration; gottlieb gets questioned; $acor cuts staff by 20% |rt AT_USER $mr
2017-04-10: dr. john h. noseworthy nominated to stand for election to #merck board of directors. read more:  $mrk|brief-#merck says board of directors to have 13 members. read more:  $mrk|benzinga: cardiovascular
2017-04-11: rt AT_USER merck¡¯s frazier gets his first raise, but total package shrinks as sales stall  $mrk|merck¡¯s frazier gets his first raise, but total package shrinks as sales stall  $mrk|or did i see the 
2017-04-12: rt AT_USER echo-202 epacadostat + pembro has added phase 2 expansion cohorts in gastric and hepatocellular carcinoma $incy $mrk |$mrk is in stochastic oversold  winning 60.56% in the past. |04/12/17 v
2017-04-13: rt AT_USER AT_USER AT_USER $ziop has in 30s but outsourced to $xon $mrk kgaa|AT_USER AT_USER $ziop has in 30s but outsourced to $xon $mrk kgaa|rt AT_USER first #fda approved drug for rare skin #cancer
2017-04-14: rt AT_USER  teaches #howtoperfect your #socialmedia #presence with #datascience $mrk $cmcsa $txn $dis $aig #b¡­|cowen and company reaffirms ¡°market perform¡± rating for merck &amp; co., inc. $mrk |#n
2017-04-15: it's a terrible things being poor &amp; at the mercy of others! try it! AT_USER $ko $pep $myl $mrk $aapl $twtr $aapl $brk $iep $googl|rt AT_USER .AT_USER here it is! why democrats are taking over atla
2017-04-16: AT_USER thanks for follow! see vista partners #worldnews commentary #investing #dow30¡­ |AT_USER could you run a valuation on $nwbo? phase 3 readouts soon and looks incredibly undervalued. possib¡­ |h
2017-04-17: merck &amp; co. $mrk receiving somewhat positive news coverage, analysis shows |merck &amp; co. $mrk receiving somewhat positive news coverage, analysis shows |merck &amp; co. $mrk receiving somewhat 
2017-04-18: rt AT_USER $agen recent articles suggest $gsk's #shingles vaccine may compete with $mrk's #zostavax. $gsk will capture all of the $4b¡­|4 healthcare stocks that are starting to look sick  $jnj $mrk $c