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.

[Q]: Sentence 1: The same survey a month ago had Street leading Katz 42 percent to 34 percent, with 21 percent undecided. Sentence 2: One month ago in the same poll, Katz was leading 46 to 40 percent.
[A]: 2


[Q]: Sentence 1: Shares of SCO closed at $10.93, down 28 cents, in Monday trading on the Nasdaq Stock Market. Sentence 2: IBM shares closed up $1.75, or 2.11 percent, at $84.50 on the New York Stock Exchange.
[A]: 1


[Q]: Sentence 1: Medics transport a patient on a stretcher. Sentence 2: A doctor rushes a patient on a stretcher.
[A]:
3