math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Joan had 139 peach. Floyd took 43 from him. Now 
sentence 2:  Joan has 97 peaches.
<equate> (139 - 43, 97)
Joan had 139 peach. Floyd took 43 from him. Now 
 Joan has 97 peaches.