math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Johnny had 127 banana. Ronald took 31 from him. Now 
sentence 2:  Johnny has 91 bananas.
<equate> (127 - 31, 91)
Johnny had 127 banana. Ronald took 31 from him. Now 
 Johnny has 91 bananas.