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: Two baby pandas are playing. Sentence 2: Two pandas are laying together.
3

Sentence 1: I Shot the Sheriff We are all vessels filled with many wonders. Sentence 2: We are all vessels filled with many wonders.
3

Sentence 1: A black dog running through water. Sentence 2: A black dog is running through some water.

5