math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Izetta had 192 blackcurrant. Estella clutched some blackcurrant. Now Izetta has 29  blackcurrant. 
sentence 2:  Estella clutched 168 blackcurrants.
<equate> (192 - 29, 168)
Izetta had 192 blackcurrant. Estella clutched some blackcurrant. Now Izetta has 29  blackcurrant. 
 Estella clutched 168 blackcurrants.