math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Shiela had 199 blackcurrant. Joey took 40 from him. Now 
sentence 2:  Shiela has 162 blackcurrants.
<equate> (199 - 40, 162)
Shiela had 199 blackcurrant. Joey took 40 from him. Now 
 Shiela has 162 blackcurrants.