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 little white curly haired dog runs across the pavement with a stick in its mouth. Sentence 2: A white curly haired dog runs with a stick in it's mouth.

Output: 5


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: That's what the data available shows. Sentence 2: That's what the historical record shows.


Output: 4