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 beauty contest to be held in Italy next week may be the first for pixel-perfect pin-ups. Sentence 2: A new beauty contest kicking off in Italy next week will give pixel-perfect pin-ups the chance to steal sultry Sophia's sex-symbol status.

Output: 3


Input: Consider Input: Sentence 1: A gray cat with green eyes looks at the camera. Sentence 2: A grey cat with green eyes looking into the camera.

Output: 5


Input: Consider Input: Sentence 1: Analysts' consensus estimate from Thomson First Call was for a loss of $2.08 a share, excluding one-time items. Sentence 2: The estimate of analysts surveyed by Thomson First Call was for a loss of $2.75 a share.


Output: 2