math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Yolanda had some fig. Gregory gave him 4 more. Now Yolanda has 49 fig. 
sentence 2:  Yolanda had 45 figs in the first place.
<equate> (49 - 4, 45)
Yolanda had some fig. Gregory gave him 4 more. Now Yolanda has 49 fig. 
 Yolanda had 45 figs in the first place.