math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Paul had 151 Mango. Ronald clasped some Mango. Now Paul has 85  Mango. 
sentence 2:  Ronald clasped 71 Mangoes.
<equate> (151 - 85, 71)
Paul had 151 Mango. Ronald clasped some Mango. Now Paul has 85  Mango. 
 Ronald clasped 71 Mangoes.