math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Alicia had 97 blackberry. Donald took 83 from him. Now 
sentence 2:  Alicia has 9 blackberries.
<equate> (97 - 83, 9)
Alicia had 97 blackberry. Donald took 83 from him. Now 
 Alicia has 9 blackberries.