math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Tina had 91 papaya. Katie took 29 from him. Now 
sentence 2:  Tina has 64 papayas.
<equate> (91 - 29, 64)
Tina had 91 papaya. Katie took 29 from him. Now 
 Tina has 64 papayas.