math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Robert had some lime. James gave him 5 more. Now Robert has 37 lime. 
sentence 2:  Robert had 28 lime to begin with.
<equate> (37 - 5, 28)
Robert had some lime. James gave him 5 more. Now Robert has 37 lime. 
 Robert had 28 lime to begin with.