math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Tyrone had some Box. Ana gave him 2 more. Now Tyrone has 40 Box. 
sentence 2:  Tyrone had 38 boxes to start with.
<equate> (40 - 2, 38)
Tyrone had some Box. Ana gave him 2 more. Now Tyrone has 40 Box. 
 Tyrone had 38 boxes to start with.