math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: John had some Banana. Galen took 18 from him. Now John has 56 Banana. 
sentence 2:  John had 74 Bananas in the beginning.
<equate> (56 + 18, 74)
John had some Banana. Galen took 18 from him. Now John has 56 Banana. 
 John had 74 Bananas in the beginning.