math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Marybeth had 66 peach. Carleen took 44 from him. Now 
sentence 2:  Marybeth has 21 peaches.
<equate> (66 - 44, 21)
Marybeth had 66 peach. Carleen took 44 from him. Now 
 Marybeth has 21 peaches.