math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: David had 58 Bread. Gary took 14 from him. Now 
sentence 2:  David has 48 Bread.
<equate> (58 - 14, 48)
David had 58 Bread. Gary took 14 from him. Now 
 David has 48 Bread.