math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Kimberly had 174 pear. Rebecca grabbed some pear. Now Kimberly has 78  pear. 
sentence 2:  Rebecca grabbed 98 pears.
<equate> (174 - 78, 98)
Kimberly had 174 pear. Rebecca grabbed some pear. Now Kimberly has 78  pear. 
 Rebecca grabbed 98 pears.