math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Albert had 263 papaya. Robert get hold of some papaya. Now Albert has 81  papaya. 
sentence 2:  Robert got 179 papayas.
<equate> (263 - 81, 179)
Albert had 263 papaya. Robert get hold of some papaya. Now Albert has 81  papaya. 
 Robert got 179 papayas.