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 man making a bed in a hotel. Sentence 2: A man is holding a animal.
1

Sentence 1: A little boy clowns with a colander on his head. Sentence 2: A boy with a metal colander on his head.
4

Sentence 1: The girl is tiding up her bed. Sentence 2: A woman is making a bed.

2