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 man is tying his shoe. Sentence 2: A man ties his shoe.

A: 5
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Q: Sentence 1: A female applies something to he hair with her hands. Sentence 2: A cat is eating a slice of watermelon.

A: 0
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Q: Sentence 1: A man chases a dog trying to pass the barrier to enter a play area. Sentence 2: A man follows his black and white dog as it takes on an obstacle course.

A:
2
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