math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Kari had 139 Mango. Alex took 118 from him. Now 
sentence 2:  Kari has 17 Mangoes.
<equate> (139 - 118, 17)
Kari had 139 Mango. Alex took 118 from him. Now 
 Kari has 17 Mangoes.