math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Casey had some pineapple. Rosie gave him 6 more. Now Casey has 39 pineapple. 
sentence 2:  Casey had 37 pineapple in the beginning.
<equate> (39 - 6, 37)
Casey had some pineapple. Rosie gave him 6 more. Now Casey has 39 pineapple. 
 Casey had 37 pineapple in the beginning.