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.

[Q]: Sentence 1: A boy is crawling into a dog house. Sentence 2: A cat is playing on the floor.
[A]: 0


[Q]: Sentence 1: Cuba's 'Ladies' to pick up EU prize 8 years late Sentence 2: Cuba's 'Ladies' to Pick Up EU Prize 8 Years Later
[A]: 5


[Q]: Sentence 1: A second victim, Michael Walker, 23, was struck in the torso, the bullet perforating his lung. Sentence 2: The other victim, Michael Walker, of 550 Barbey Street, was struck in the neck.
[A]:
2