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 woman is dancing with other women. Sentence 2: A woman is shredding chicken.

Ex Output:
0


Ex Input:
Sentence 1: A woman is dancing and singing with other women. Sentence 2: A woman is dancing and singing in the rain.

Ex Output:
3


Ex Input:
Sentence 1: The festival kicked off yesterday one day after the Competition Commission delivered its final verdict to the Government on the proposed £4.1 billion merger. Sentence 2: The Competition Commission delivered its verdict yesterday on the proposed merger of the two big ITV players, Carlton and Granada.

Ex Output:

3