math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Christy had some lemon. Marsha gave him 3 more. Now Christy has 16 lemon. 
sentence 2:  Christy had 10 lemons initially.
<equate> (16 - 3, 10)
Christy had some lemon. Marsha gave him 3 more. Now Christy has 16 lemon. 
 Christy had 10 lemons initially.