math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Joann had 199 cherry. Terry grasped some cherry. Now Joann has 31  cherry. 
sentence 2:  Terry grasped 169 cherries.
<equate> (199 - 31, 169)
Joann had 199 cherry. Terry grasped some cherry. Now Joann has 31  cherry. 
 Terry grasped 169 cherries.