math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Gary had 213 orange. Annie grabbed some orange. Now Gary has 77  orange. 
sentence 2:  Annie grabbed 137 oranges.
<equate> (213 - 77, 137)
Gary had 213 orange. Annie grabbed some orange. Now Gary has 77  orange. 
 Annie grabbed 137 oranges.