math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Cassandra had some banana. Thomas gave him 5 more. Now Cassandra has 49 banana. 
sentence 2:  Cassandra had 44 bananas at first.
<equate> (49 - 5, 44)
Cassandra had some banana. Thomas gave him 5 more. Now Cassandra has 49 banana. 
 Cassandra had 44 bananas at first.