math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: John had 19 Box. Beverly contributeed him some more. Now John has 158 Box. 
sentence 2:  Beverly contributed 139 boxes to John.
<equate> (158 - 19, 139)
John had 19 Box. Beverly contributeed him some more. Now John has 158 Box. 
 Beverly contributed 139 boxes to John.