math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Brenda had 253 raspberry. John gripped some raspberry. Now Brenda has 66  raspberry. 
sentence 2:  John gripped 192 raspberry.
<equate> (253 - 66, 192)
Brenda had 253 raspberry. John gripped some raspberry. Now Brenda has 66  raspberry. 
 John gripped 192 raspberry.