math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Luis had some Banana. Rachel gave him 5 more. Now Luis has 30 Banana. 
sentence 2:  Luis had 30 Bananas initially.
<equate> (30 - 5, 30)
Luis had some Banana. Rachel gave him 5 more. Now Luis has 30 Banana. 
 Luis had 30 Bananas initially.