math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Sharon had some mango. Nicholas gave him 1 more. Now Sharon has 10 mango. 
sentence 2:  Sharon had 9 mangoes earlier.
<equate> (10 - 1, 9)
Sharon had some mango. Nicholas gave him 1 more. Now Sharon has 10 mango. 
 Sharon had 9 mangoes earlier.