Analyze the information and social media posts to determine if the closing price of $csco will ascend or descend at 2015-07-20. Please 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
2015-07-06,-0.8,0.1,-1.2,-0.4,-0.4,0.3,2.2,3.2,3.4,3.8,4.3
2015-07-07,-0.5,0.3,-1.7,0.5,0.5,-0.2,1.2,2.5,2.8,3.1,3.5
2015-07-08,0.3,0.6,-0.6,-1.4,-1.4,1.0,2.0,3.5,4.0,4.2,4.7
2015-07-09,1.7,2.0,-0.0,-0.3,-0.3,0.9,1.8,3.4,4.0,4.2,4.8
2015-07-10,-0.0,0.3,-0.9,1.4,1.4,-0.5,0.1,1.6,2.4,2.6,3.1
2015-07-13,-1.1,0.0,-1.3,1.9,1.9,-1.9,-1.8,-0.5,0.4,0.7,1.1
2015-07-14,-0.6,0.0,-1.2,0.9,0.9,-2.2,-2.4,-1.5,-0.5,-0.2,0.1
2015-07-15,-0.9,0.5,-1.1,0.3,0.3,-1.7,-2.4,-1.9,-0.9,-0.5,-0.3
2015-07-16,-0.3,0.4,-0.4,0.7,0.7,-1.5,-2.8,-2.7,-1.7,-1.2,-1.1
2015-07-17,0.3,0.5,-0.7,-0.5,-0.5,-0.3,-2.0,-2.2,-1.3,-0.8,-0.6

2015-07-06: $bbry $goog $aapl $csco seems like the slider will be a bb10 hypervisor google play services as the keyboard opens its all bb10 =$millions"!|hewlett-packard company (hpq) and cisco systems, inc. (csco
2015-07-07: iyt ishares dj transportation average index fund 52wk low$iyt $nat $csco $oil #iyt #finance #tradeideas|gild gilead sciences, inc. quotes$gild $csco $lnkd $tqqq #gild #pennystocks #share|himx himax te
2015-07-09: the 6 pro traders at  alerted over 300% in gains last week.  wow.-$t $pfe $f $imgn $csco $itub $aal $mu
2015-07-10: for an easy way to follow the stocks you are interested in like $csco, try marketscan for ios: |sso proshares ultra s&amp;p 500 fund 52wk low$sso $aal $xly $csco #sso #nasdaq #finance
2015-07-11: amrn amarin corp. plc ads exchange$amrn $csco $life $rdsh #amrn #stocks #share|csod cornerstone ondemand, inc. current price$csod $celg $csco $avxl #csod #finance #financecvc cablevision…|csco cisco s
2015-07-12: tsla tesla motors inc. investor opinions$tsla $slv $csco $eem #tsla #tradeideas #share|de deere &amp; co. dividend$de $csco $iyr $aria #de #nasdaq #stock|mu micron technology, inc. yield$mu $csco $itb
2015-07-13: popular: $ljpc, $aal, $jpm, $stz, $vale, $aeo, $eca, $klac, $byd, $csco, $kerx
2015-07-14: our penny stock newsletter alerts gained 350% in just 8 trading days! get our next pick early:  $qcom $csco
2015-07-15: $csco - buy signal at 28.03 on jul 14, 15 by yamasuta, free algorithmic trading software  #stock #trading #trade|recent buy: cisco systems  $csco|cat caterpillar, inc. stock message board$cat $ge $csc
2015-07-16: rt icharttop: #idrtg check this out #prediction on $msft 4 a top #nasdaq  $yhoo $nvda $lrcx $csco $aapl $intc $amzn…|csco cisco systems, inc. ask$csco $sdrl $abx $pm #csco #share #investing|is cisco a
2015-07-18: $mu micron technology inc  $intc $aapl $googl $ibm $fb $msft $amzn $hpq $csco $emc $orcl $sap $avgo $qcom #yellen
2015-07-19: $twtr twitter inc    $intc $aapl $googl $ibm $fb $msft $amzn $hpq $csco $emc $orcl $sap $avgo $qcom #wimbledonfinal/
Answer: