math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Robert had some Beg. Michael gave him 2 more. Now Robert has 38 Beg. 
sentence 2:  Robert had 36 Beg in the first place.
<equate> (38 - 2, 36)
Robert had some Beg. Michael gave him 2 more. Now Robert has 38 Beg. 
 Robert had 36 Beg in the first place.