math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Winnie had some Biscuit. Anna took 19 from him. Now Winnie has 24 Biscuit. 
sentence 2:  Winnie had 47 Biscuit earlier.
<equate> (24 + 19, 47)
Winnie had some Biscuit. Anna took 19 from him. Now Winnie has 24 Biscuit. 
 Winnie had 47 Biscuit earlier.