math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Barbara had some pineapple. Amanda gave him 6 more. Now Barbara has 14 pineapple. 
sentence 2:  Barbara had 8 pineapple to begin with.
<equate> (14 - 6, 8)
Barbara had some pineapple. Amanda gave him 6 more. Now Barbara has 14 pineapple. 
 Barbara had 8 pineapple to begin with.