math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Michael had 173 quince. Stacy grasped some quince. Now Michael has 17  quince. 
sentence 2:  Stacy grasped 157 quince.
<equate> (173 - 17, 157)
Michael had 173 quince. Stacy grasped some quince. Now Michael has 17  quince. 
 Stacy grasped 157 quince.