math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: James had 30 Biscuit. Dorothy confered him some more. Now James has 98 Biscuit. 
sentence 2:  Dorothy confered James 68 Biscuit.
<equate> (98 - 30, 68)
James had 30 Biscuit. Dorothy confered him some more. Now James has 98 Biscuit. 
 Dorothy confered James 68 Biscuit.