math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: James had some fig. Carolyn gave him 1 more. Now James has 13 fig. 
sentence 2:  James had 13 figs earlier.
<equate> (13 - 1, 13)
James had some fig. Carolyn gave him 1 more. Now James has 13 fig. 
 James had 13 figs earlier.