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 is hugging someone. Sentence 2: A man is taking a picture.
0

Sentence 1: A person is slicing an onion. Sentence 2: A cat is pooping into a toilet.
0

Sentence 1: Along with chipmaker Intel, the companies include Sony Corp., Microsoft Corp., Hewlett-Packard Co., IBM Corp., Gateway Inc. and Nokia Corp. Sentence 2: Along with chip maker Intel, the companies include Sony, Microsoft, Hewlett-Packard, International Business Machines, Gateway, Nokia and others.
5