math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Lucas had 159 kiwi. Jack took 134 from him. Now 
sentence 2:  Lucas has 25 kiwi.
<equate> (159 - 134, 25)
Lucas had 159 kiwi. Jack took 134 from him. Now 
 Lucas has 25 kiwi.