math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Jamie had some Book. Carole gave him 8 more. Now Jamie has 50 Book. 
sentence 2:  Jamie had 42 books at first.
<equate> (50 - 8, 42)
Jamie had some Book. Carole gave him 8 more. Now Jamie has 50 Book. 
 Jamie had 42 books at first.