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.

Ex Input:
Sentence 1: A bird holding on to a metal gate. Sentence 2: A multi-colored bird clings to a wire fence.

Ex Output:
3


Ex Input:
Sentence 1: Do you further agree that I have made no claim? Sentence 2: So that you will admit and verify that I have made no claim.

Ex Output:
4


Ex Input:
Sentence 1: A group of people sitting at a restaurant table. Sentence 2: A group of people sitting around a table with food on it.

Ex Output:

4