math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Joel had some Doll. Katherine gave him 4 more. Now Joel has 32 Doll. 
sentence 2:  Joel had 28 Dolls.
<equate> (32 - 4, 28)
Joel had some Doll. Katherine gave him 4 more. Now Joel has 32 Doll. 
 Joel had 28 Dolls.