math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Sarah has 26 bottle caps. She buys 3 more. 
sentence 2:  Sarah has 29 bottle caps.
<equate> ((26.0+3.0), 29)
Sarah has 26 bottle caps. She buys 3 more. 
 Sarah has 29 bottle caps.