math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Shayna had some avocado. Jed gave him 7 more. Now Shayna has 19 avocado. 
sentence 2:  Shayna had 12 avocados to begin with.
<equate> (19 - 7, 12)
Shayna had some avocado. Jed gave him 7 more. Now Shayna has 19 avocado. 
 Shayna had 12 avocados to begin with.