math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Curtis had some pear. Robert took 77 from him. Now Curtis has 96 pear. 
sentence 2:  Curtis had 170 pear in the first place.
<equate> (96 + 77, 170)
Curtis had some pear. Robert took 77 from him. Now Curtis has 96 pear. 
 Curtis had 170 pear in the first place.