math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Laura had 213 toy. James gripped some toy. Now Laura has 67  toy. 
sentence 2:  James gripped 142 toys.
<equate> (213 - 67, 142)
Laura had 213 toy. James gripped some toy. Now Laura has 67  toy. 
 James gripped 142 toys.