math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Debra had 161 lemon. Ruby took 144 from him. Now 
sentence 2:  Debra has 21 lemons.
<equate> (161 - 144, 21)
Debra had 161 lemon. Ruby took 144 from him. Now 
 Debra has 21 lemons.