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: chinese authorities were not immediately available for comment. Sentence 2: godzhayev and godzhayev's lawyers were not immediately available to comment.
[EX A]: 1

[EX Q]: Sentence 1: Two people are walking through some water. Sentence 2: Two girls are walking by a tree in front of a brick building.
[EX A]: 1

[EX Q]: Sentence 1: A man rides a large black motorbike. Sentence 2: A child sits in a large black leather chair.
[EX A]:
0