math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Luis had 141 watermelon. Maria grasped some watermelon. Now Luis has 74  watermelon. 
sentence 2:  Maria grasped 67 watermelons.
<equate> (141 - 74, 67)
Luis had 141 watermelon. Maria grasped some watermelon. Now Luis has 74  watermelon. 
 Maria grasped 67 watermelons.