math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Kenneth had 13 Doll. Kathleen bestowed him some more. Now Kenneth has 93 Doll. 
sentence 2:  Kathleen bestowed 83 Dolls to Kenneth.
<equate> (93 - 13, 83)
Kenneth had 13 Doll. Kathleen bestowed him some more. Now Kenneth has 93 Doll. 
 Kathleen bestowed 83 Dolls to Kenneth.