math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Maria had some lime. Rickey gave him 8 more. Now Maria has 49 lime. 
sentence 2:  Maria had 42 limes at first.
<equate> (49 - 8, 42)
Maria had some lime. Rickey gave him 8 more. Now Maria has 49 lime. 
 Maria had 42 limes at first.