math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Randi had 161 Book. Larry took 150 from him. Now 
sentence 2:  Randi has 9 books.
<equate> (161 - 150, 9)
Randi had 161 Book. Larry took 150 from him. Now 
 Randi has 9 books.