math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Rodger had 202 raspberry. Margaret get hold of some raspberry. Now Rodger has 27  raspberry. 
sentence 2:  Margaret got 171 raspberries.
<equate> (202 - 27, 171)
Rodger had 202 raspberry. Margaret get hold of some raspberry. Now Rodger has 27  raspberry. 
 Margaret got 171 raspberries.