math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: April had 117 Car. Ella clasped some Car. Now April has 31  Car. 
sentence 2:  Ella clasped 81 cars.
<equate> (117 - 31, 81)
April had 117 Car. Ella clasped some Car. Now April has 31  Car. 
 Ella clasped 81 cars.