math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Norman had some lemon. Ronald gave him 8 more. Now Norman has 14 lemon. 
sentence 2:  Norman had 5 lemons in the first place.
<equate> (14 - 8, 5)
Norman had some lemon. Ronald gave him 8 more. Now Norman has 14 lemon. 
 Norman had 5 lemons in the first place.