math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Ernest had 187 coconut. Ernest took 116 from him. Now 
sentence 2:  Ernest has 71 coconut.
<equate> (187 - 116, 71)
Ernest had 187 coconut. Ernest took 116 from him. Now 
 Ernest has 71 coconut.