math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Linda had 163 pineapple. Helen clutched some pineapple. Now Linda has 20  pineapple. 
sentence 2:  Helen clutched 145 pineapple.
<equate> (163 - 20, 145)
Linda had 163 pineapple. Helen clutched some pineapple. Now Linda has 20  pineapple. 
 Helen clutched 145 pineapple.