math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Jessica had 198 raspberry. Richard took 189 from him. Now 
sentence 2:  Jessica has 9 raspberries left over.
<equate> (198 - 189, 9)
Jessica had 198 raspberry. Richard took 189 from him. Now 
 Jessica has 9 raspberries left over.