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: photo of a television screen showing a movie. Sentence 2: The wall-mounted flat-screen TV is showing a movie.

Ex Output:
3


Ex Input:
Sentence 1: The man is riding a motorcycle down the road. Sentence 2: A man is riding a red motorcycle on the road.

Ex Output:
4


Ex Input:
Sentence 1: Two girls are in pajama pants and appear to be dancing. Sentence 2: Two girls with baseball caps are eating a snack outside.

Ex Output:

1