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 woman holding a black purse is smoking a cigarette. Sentence 2: A woman with a black bag is smoking a cigarette

Ex Output:
5


Ex Input:
Sentence 1: Soccer players are kicking a soccer ball into the goal. Sentence 2: A soccer player scores a goal.

Ex Output:
4


Ex Input:
Sentence 1: A man is diving into a swimming pool. Sentence 2: A man is singing into a microphone.

Ex Output:

1