math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Jody had 225 blackcurrant. Michelle clutched some blackcurrant. Now Jody has 87  blackcurrant. 
sentence 2:  Michelle clutched 138 blackcurrants.
<equate> (225 - 87, 138)
Jody had 225 blackcurrant. Michelle clutched some blackcurrant. Now Jody has 87  blackcurrant. 
 Michelle clutched 138 blackcurrants.