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: Wells’ other series include NBC’s ER and Third Watch. Sentence 2: Wells' other series include NBC's "ER" and "Third Watch."
[EX A]: 5

[EX Q]: Sentence 1: Ha, ha, ha, ha, ha, ha! Sentence 2: Ah ha, ha, ha, ha, ha!
[EX A]: 5

[EX Q]: Sentence 1: Syria rebels attack Lebanese post near border: army Sentence 2: Turkish army stages tank exercises near Syria border
[EX A]:
1