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.

Sentence 1: The woman is slicing herbs. Sentence 2: The man is slicing bread.
2

Sentence 1: A black and white image of a cat laying on a rug. Sentence 2: Black and white picture of a cat laying on a rug.
5

Sentence 1: A man is playing piano. Sentence 2: A man is laying on the ground.

1