math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Dara had some blackberry. Catherine gave him 3 more. Now Dara has 37 blackberry. 
sentence 2:  Dara had 34 blackberries primitively.
<equate> (37 - 3, 34)
Dara had some blackberry. Catherine gave him 3 more. Now Dara has 37 blackberry. 
 Dara had 34 blackberries primitively.