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.

Input: Consider Input: Sentence 1: A cruise liner docked at the shoreline. Sentence 2: A cruise ship docked at shore.

Output: 4


Input: Consider Input: Sentence 1: A man is hugging someone. Sentence 2: A man is taking a picture.

Output: 0


Input: Consider Input: Sentence 1: Aso refuses to resign over Nazi comments Sentence 2: Spanish PM refuses to resign over corruption scandal


Output: 0