math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Alberta had some Beg. Harold took 54 from him. Now Alberta has 88 Beg. 
sentence 2:  Alberta had 142 Beg at first.
<equate> (88 + 54, 142)
Alberta had some Beg. Harold took 54 from him. Now Alberta has 88 Beg. 
 Alberta had 142 Beg at first.