math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: John had 297 Book. Maureen gripped some Book. Now John has 74  Book. 
sentence 2:  Maureen gripped 223 books.
<equate> (297 - 74, 223)
John had 297 Book. Maureen gripped some Book. Now John has 74  Book. 
 Maureen gripped 223 books.