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 television in a messy room with several bookcases. Sentence 2: A room with a television, stereo and bookshelf.
[EX A]: 3

[EX Q]: Sentence 1: What isn't how what was sold? Sentence 2: It's not how it was sold, gb.
[EX A]: 2

[EX Q]: Sentence 1: no missile evidence. Sentence 2: no missile witnesses.
[EX A]:
3