math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Estelle had 89 apple. Raymond took 71 from him. Now 
sentence 2:  Estelle has 16 apples.
<equate> (89 - 71, 16)
Estelle had 89 apple. Raymond took 71 from him. Now 
 Estelle has 16 apples.