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: The man cut some carpet with a knife. Sentence 2: A man is cutting carpet with a knife.

Ex Output:
5


Ex Input:
Sentence 1: A man is playing an electronic keyboard. Sentence 2: A band is playing instruments.

Ex Output:
1


Ex Input:
Sentence 1: Others with such a status are Egypt, Israel, and Australia. Sentence 2: Nations like Israel and Australia already have such status.

Ex Output:

2