math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Alice had 158 fig. Vincent gripped some fig. Now Alice has 23  fig. 
sentence 2:  Vincent gripped 137 figs.
<equate> (158 - 23, 137)
Alice had 158 fig. Vincent gripped some fig. Now Alice has 23  fig. 
 Vincent gripped 137 figs.