math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Audra had 178 pineapple. Dianne clutched some pineapple. Now Audra has 22  pineapple. 
sentence 2:  Dianne clutched 159 pineapple.
<equate> (178 - 22, 159)
Audra had 178 pineapple. Dianne clutched some pineapple. Now Audra has 22  pineapple. 
 Dianne clutched 159 pineapple.