math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Maxine had some Book. Ralph gave him 5 more. Now Maxine has 46 Book. 
sentence 2:  Maxine had 41 books at first.
<equate> (46 - 5, 41)
Maxine had some Book. Ralph gave him 5 more. Now Maxine has 46 Book. 
 Maxine had 41 books at first.