math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Richard had 285 Chocolate. Helen clasped some Chocolate. Now Richard has 50  Chocolate. 
sentence 2:  Helen clasped 235 Chocolates.
<equate> (285 - 50, 235)
Richard had 285 Chocolate. Helen clasped some Chocolate. Now Richard has 50  Chocolate. 
 Helen clasped 235 Chocolates.