math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Shane had some Box. Sherry gave him 7 more. Now Shane has 45 Box. 
sentence 2:  Shane had 43 boxes at first.
<equate> (45 - 7, 43)
Shane had some Box. Sherry gave him 7 more. Now Shane has 45 Box. 
 Shane had 43 boxes at first.