math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Rachel had some Book. Bruce took 45 from him. Now Rachel has 61 Book. 
sentence 2:  Rachel initially had 106 books.
<equate> (61 + 45, 106)
Rachel had some Book. Bruce took 45 from him. Now Rachel has 61 Book. 
 Rachel initially had 106 books.