math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Bridget weighs 39 pounds. Martha weighs 2 pounds. 
sentence 2:  Bridget is 37 pounds heavier than Martha.
<equate> ((39.0-2.0), 37)
Bridget weighs 39 pounds. Martha weighs 2 pounds. 
 Bridget is 37 pounds heavier than Martha.