math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Josephine had some blackberry. Katharine gave him 5 more. Now Josephine has 44 blackberry. 
sentence 2:  Josephine had 38 blackberry initially.
<equate> (44 - 5, 38)
Josephine had some blackberry. Katharine gave him 5 more. Now Josephine has 44 blackberry. 
 Josephine had 38 blackberry initially.