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 girl makes up her bed. Sentence 2: A young girl makes her bed.

Ex Output:
4


Ex Input:
Sentence 1: A mostly black train on a track. Sentence 2: A car parked in front of train tracks.

Ex Output:
1


Ex Input:
Sentence 1: A little girl with her hands in the air is sitting on a man's back while he is laying on a blanket. Sentence 2: A kid runs in the opposite direction of others who were playing a game.

Ex Output:

0