math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Charlotte had some Doll. Sterling gave him 6 more. Now Charlotte has 43 Doll. 
sentence 2:  Charlotte had 41 Doll to begin with.
<equate> (43 - 6, 41)
Charlotte had some Doll. Sterling gave him 6 more. Now Charlotte has 43 Doll. 
 Charlotte had 41 Doll to begin with.