math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Douglas had some fig. Charley took 40 from him. Now Douglas has 50 fig. 
sentence 2:  Douglas had 93 figs in the first place.
<equate> (50 + 40, 93)
Douglas had some fig. Charley took 40 from him. Now Douglas has 50 fig. 
 Douglas had 93 figs in the first place.