math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Erin had some fig. Felipe gave him 7 more. Now Erin has 26 fig. 
sentence 2:  Erin had 19 figs.
<equate> (26 - 7, 19)
Erin had some fig. Felipe gave him 7 more. Now Erin has 26 fig. 
 Erin had 19 figs.