math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Rachel had 171 kiwi. Jeane took 100 from him. Now 
sentence 2:  Rachel has 76 kiwi.
<equate> (171 - 100, 76)
Rachel had 171 kiwi. Jeane took 100 from him. Now 
 Rachel has 76 kiwi.