math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Nancy had some banana. Andrew gave him 8 more. Now Nancy has 25 banana. 
sentence 2:  Nancy originally had 17 bananas.
<equate> (25 - 8, 17)
Nancy had some banana. Andrew gave him 8 more. Now Nancy has 25 banana. 
 Nancy originally had 17 bananas.