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 black and brown dog runs through the woods. Sentence 2: A dog running through the woods.

Ex Output:
4


Ex Input:
Sentence 1: Man riding a bicycle down a narrow path. Sentence 2: A man riding a unicycle down a paved road

Ex Output:
3


Ex Input:
Sentence 1: I am OK with MEDICAL use! Sentence 2: I AM OK WITH MEDICAL USE!!

Ex Output:

5