math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Edward had 9 blackberry. Rene offered him some more. Now Edward has 154 blackberry. 
sentence 2:  Rene offered Edward 146 blackberry.
<equate> (154 - 9, 146)
Edward had 9 blackberry. Rene offered him some more. Now Edward has 154 blackberry. 
 Rene offered Edward 146 blackberry.