math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Gregory had 12 blackberry. Eric bestowed him some more. Now Gregory has 149 blackberry. 
sentence 2:  Eric bestowed 137 blackberries to Gregory.
<equate> (149 - 12, 137)
Gregory had 12 blackberry. Eric bestowed him some more. Now Gregory has 149 blackberry. 
 Eric bestowed 137 blackberries to Gregory.