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: How do you know what's right and wrong? Sentence 2: How do you know which story is the right one?

Ex Output:
2


Ex Input:
Sentence 1: Two brunette girls sit atop a red an yellow motorcycle with a side car. Sentence 2: A couple posing on a red and yellow motorcycle.

Ex Output:
3


Ex Input:
Sentence 1: Charlie Rangel Censured Did anyone see the footage of this? Sentence 2: Did anyone see the footage of this?

Ex Output:

3