math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: John had 189 apricot. Agueda took 11 from him. Now 
sentence 2:  John has 178 apricots.
<equate> (189 - 11, 178)
John had 189 apricot. Agueda took 11 from him. Now 
 John has 178 apricots.