math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Christopher had some Beg. Patricia took 63 from him. Now Christopher has 68 Beg. 
sentence 2:  Christopher had 134 Beg.
<equate> (68 + 63, 134)
Christopher had some Beg. Patricia took 63 from him. Now Christopher has 68 Beg. 
 Christopher had 134 Beg.