math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Dorothy had some Bread. Norma gave him 3 more. Now Dorothy has 33 Bread. 
sentence 2:  Dorothy had 30 bread originally.
<equate> (33 - 3, 30)
Dorothy had some Bread. Norma gave him 3 more. Now Dorothy has 33 Bread. 
 Dorothy had 30 bread originally.