math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Daniel had 35 blackberry. Kelly presented him some more. Now Daniel has 42 blackberry. 
sentence 2:  Kelly presented Daniel with 12 blackberry.
<equate> (42 - 35, 12)
Daniel had 35 blackberry. Kelly presented him some more. Now Daniel has 42 blackberry. 
 Kelly presented Daniel with 12 blackberry.