math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Diana had 79 apple. Kenneth took 78 from him. Now 
sentence 2:  Diana has 1 apple left.
<equate> (79 - 78, 1)
Diana had 79 apple. Kenneth took 78 from him. Now 
 Diana has 1 apple left.