math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Janice had 3 Book. Gloria contributeed him some more. Now Janice has 51 Book. 
sentence 2:  Gloria contributed 48 books to Janice.
<equate> (51 - 3, 48)
Janice had 3 Book. Gloria contributeed him some more. Now Janice has 51 Book. 
 Gloria contributed 48 books to Janice.