math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Angel had some Doll. James took 53 from him. Now Angel has 68 Doll. 
sentence 2:  Angel had 117 Doll at first.
<equate> (68 + 53, 117)
Angel had some Doll. James took 53 from him. Now Angel has 68 Doll. 
 Angel had 117 Doll at first.