math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Betty had some Bread. Roy gave him 5 more. Now Betty has 28 Bread. 
sentence 2:  Betty initially had 23 Bread.
<equate> (28 - 5, 23)
Betty had some Bread. Roy gave him 5 more. Now Betty has 28 Bread. 
 Betty initially had 23 Bread.