math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Betty had 115 mango. Cinthia took 2 from him. Now 
sentence 2:  Betty has 113 mangoes.
<equate> (115 - 2, 113)
Betty had 115 mango. Cinthia took 2 from him. Now 
 Betty has 113 mangoes.