math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Naomi had 12 lychee. Pat presented him some more. Now Naomi has 57 lychee. 
sentence 2:  Pat presented Naomi with 45 lychee.
<equate> (57 - 12, 45)
Naomi had 12 lychee. Pat presented him some more. Now Naomi has 57 lychee. 
 Pat presented Naomi with 45 lychee.