math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Alvin had 151 Banana. Mark clutched some Banana. Now Alvin has 63  Banana. 
sentence 2:  Mark clutched 88 Bananas.
<equate> (151 - 63, 88)
Alvin had 151 Banana. Mark clutched some Banana. Now Alvin has 63  Banana. 
 Mark clutched 88 Bananas.