math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Steven had 179 Banana. Gerald clasped some Banana. Now Steven has 7  Banana. 
sentence 2:  Gerald clasped 172 Bananas.
<equate> (179 - 7, 172)
Steven had 179 Banana. Gerald clasped some Banana. Now Steven has 7  Banana. 
 Gerald clasped 172 Bananas.