math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Marilyn had some pear. Eugene gave him 4 more. Now Marilyn has 35 pear. 
sentence 2:  Marilyn had 31 pears.
<equate> (35 - 4, 31)
Marilyn had some pear. Eugene gave him 4 more. Now Marilyn has 35 pear. 
 Marilyn had 31 pears.