math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Basil had some Box. Janie gave him 5 more. Now Basil has 29 Box. 
sentence 2:  Basil had 28 boxes.
<equate> (29 - 5, 28)
Basil had some Box. Janie gave him 5 more. Now Basil has 29 Box. 
 Basil had 28 boxes.