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 set up his camera to take sunset pictures at the beach. Sentence 2: A man is taking pictures of a lake.

Ex Output:
2


Ex Input:
Sentence 1: h and i both read the books and thought the movie moved so quickly. Sentence 2: I haven't read the books, but I saw the movie today.

Ex Output:
3


Ex Input:
Sentence 1: A couple are running towards the ocean. Sentence 2: A man and and woman are running together, holding hands.

Ex Output:

3