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.

Example Input: Sentence 1: The ADRs fell 10 cents to $28.95 at 10:06 a.m. in New York Stock Exchange composite trading today. Sentence 2: Shares of Fox Entertainment Group Inc., News Corp.'s U.S. media and entertainment arm, fell 45 cents to $26.85 in New York Stock Exchange composite trading.
Example Output: 1

Example Input: Sentence 1: A woman is cooking something. Sentence 2: A woman is pouring ingredients into a frying pan.
Example Output: 3

Example Input: Sentence 1: The two men did a funny skit with a boxer in front of a crowd of people. Sentence 2: Boys are dancing in front of people.
Example Output:
2