math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Stephen had some cherry. Nelson gave him 7 more. Now Stephen has 35 cherry. 
sentence 2:  Stephen had 28 cherries.
<equate> (35 - 7, 28)
Stephen had some cherry. Nelson gave him 7 more. Now Stephen has 35 cherry. 
 Stephen had 28 cherries.