math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Barbara had some Bread. Diana gave him 5 more. Now Barbara has 40 Bread. 
sentence 2:  Barbara had 35 bread in the first place.
<equate> (40 - 5, 35)
Barbara had some Bread. Diana gave him 5 more. Now Barbara has 40 Bread. 
 Barbara had 35 bread in the first place.