math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Ervin had 125 Pen. George grasped some Pen. Now Ervin has 43  Pen. 
sentence 2:  George grasped 82 Pens.
<equate> (125 - 43, 82)
Ervin had 125 Pen. George grasped some Pen. Now Ervin has 43  Pen. 
 George grasped 82 Pens.