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 brown dog is splashing water everywhere by shaking the water off of itself. Sentence 2: A white dog is standing by a river shaking himself dry.

Output: 2


Input: Consider Input: Sentence 1: And yes, Marilyn Monroe is definitely part of the story, titled "Arthur Miller, Elia Kazan and the Blacklist: None Without Sin." Sentence 2: Note the subheading of this terrible parable in the "American Masters" series, "Arthur Miller, Elia Kazan and the Blacklist: None Without Sin."

Output: 3


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


Output: 0