math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Leslie had 118 Box. William gripped some Box. Now Leslie has 31  Box. 
sentence 2:  William gripped 89 boxes.
<equate> (118 - 31, 89)
Leslie had 118 Box. William gripped some Box. Now Leslie has 31  Box. 
 William gripped 89 boxes.