math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Dora had 186 papaya. Hugo lay hold of some papaya. Now Dora has 77  papaya. 
sentence 2:  Hugo laid hold of 109 papayas.
<equate> (186 - 77, 109)
Dora had 186 papaya. Hugo lay hold of some papaya. Now Dora has 77  papaya. 
 Hugo laid hold of 109 papayas.