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: Someoen is cooking onions. Sentence 2: A man is swinging nunchucks.
[EX A]: 0

[EX Q]: Sentence 1: myanmar government has stated myanmar will become opium-free by 2014. Sentence 2: myanmar government stated myanmar is on track to be drug-free by 2014.
[EX A]: 5

[EX Q]: Sentence 1: Someone is holding a hedgehog. Sentence 2: A onion is being sliced.
[EX A]:
0