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 eating something. Sentence 2: A woman is eating meat.

Ex Output:
3


Ex Input:
Sentence 1: Page said it's also possible that genes on the Y chromosome may influence gender-specific differences in disease susceptibility. Sentence 2: He added that genes on the Y might play a role in influencing gender-specific differences in disease susceptibility.

Ex Output:
4


Ex Input:
Sentence 1: Morrill's wife, Ellie, sobbed and hugged Bondeson's sister-in-law during the service. Sentence 2: At the service Morrill's widow, Ellie, sobbed and hugged Bondeson's sister-in-law as people consoled her.

Ex Output:

3


