Evaluate the similarity between them and classify them into classes from 0-5 as follows:
0 : The two sentences are completely dissimilar.
1 : The two sentences are not equivalent, but are on the same topic.
2 : The two sentences are not equivalent, but share some details.
3 : The two sentences are roughly equivalent, but some important information differs/missing.
4 : The two sentences are mostly equivalent, but some unimportant details differ.
5 : The two sentences are completely equivalent, as they mean the same thing.

[EX Q]: Sentence 1: A man is eating a banana by a tree. Sentence 2: A man is eating a banana.
[EX A]: 4

[EX Q]: Sentence 1: Mom busted in and said, "What's that noise?" Sentence 2: My kids busted in and said 'whats that Dad?'
[EX A]: 2

[EX Q]: Sentence 1: The black and white cows pause in front of the gate. Sentence 2: The white airplane is flying in the sky.
[EX A]:
0