math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: David has 8 bananas. He gets 50 more from Christopher. Later, David buys 9 cards at the store. 
sentence 2:  David has 53 bananas.
<equate> ((8.0+50.0), 53)
David has 8 bananas. He gets 50 more from Christopher. Later, David buys 9 cards at the store. 
 David has 53 bananas.