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 woman is cutting a leak. Sentence 2: A woman is slicing a leek.

A: 4
****
Q: Sentence 1: Osama Bin Laden Wives to Be Jailed Sentence 2: Osama Bin Laden movie to be filmed in India

A: 1
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Q: Sentence 1: A boy whacks a man with a sword. Sentence 2: A boy spanks a man with a plastic sword.

A:
3
****