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 person is squeezing through an opening in the rock face. Sentence 2: A medium sized brown dog is running through an open white wooded area.

Ex Output:
0


Ex Input:
Sentence 1: A man plays a trumpet. Sentence 2: A man is playing a musical instrument.

Ex Output:
3


Ex Input:
Sentence 1: A man is preparing a hanging rope. Sentence 2: A man is tying a noose.

Ex Output:

5