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: a black and white photo of a cat lying down. Sentence 2: A black and white image of a cat laying on a rug.
4

Sentence 1: The baby is laughing and crawling. Sentence 2: A baby is laughing and crawling on the floor.
4

Sentence 1: A young girl dressed in a Minnie mouse outfit and an older woman walking down the sidewalk. Sentence 2: a man wearing a white suit holding a newspaper walking through the streets.

1