math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Jessie had 237 Beg. Brenda gripped some Beg. Now Jessie has 68  Beg. 
sentence 2:  Brenda gripped 169 Beg.
<equate> (237 - 68, 169)
Jessie had 237 Beg. Brenda gripped some Beg. Now Jessie has 68  Beg. 
 Brenda gripped 169 Beg.