math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Roberta had 146 banana. William took 93 from him. Now 
sentence 2:  Roberta has 53 bananas.
<equate> (146 - 93, 53)
Roberta had 146 banana. William took 93 from him. Now 
 Roberta has 53 bananas.