math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Clifford had 186 Car. Eric clutched some Car. Now Clifford has 20  Car. 
sentence 2:  Eric clutched 164 cars.
<equate> (186 - 20, 164)
Clifford had 186 Car. Eric clutched some Car. Now Clifford has 20  Car. 
 Eric clutched 164 cars.