math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Marvin had some blackcurrant. William took 30 from him. Now Marvin has 45 blackcurrant. 
sentence 2:  Marvin had 76 blackcurrants to begin with.
<equate> (45 + 30, 76)
Marvin had some blackcurrant. William took 30 from him. Now Marvin has 45 blackcurrant. 
 Marvin had 76 blackcurrants to begin with.