math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Fred had some Flower. Bobby took 78 from him. Now Fred has 98 Flower. 
sentence 2:  Fred had 172 flowers at first.
<equate> (98 + 78, 172)
Fred had some Flower. Bobby took 78 from him. Now Fred has 98 Flower. 
 Fred had 172 flowers at first.