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: Meat is dropped into a pan. Sentence 2: A woman is putting meat in a pan.

A: 3
****
Q: Sentence 1: The broader Standard & Poor's 500 Index .SPX rose 3.47 points, or 0.36 percent, to 977.59. Sentence 2: The tech-laden Nasdaq Composite Index .IXIC shed 8 points, or 0.45 percent, to 1,645.

A: 1
****
Q: Sentence 1: Shares of Guidant plummeted in trading both on and off the New York Stock Exchange before a news halt was imposed after midday. Sentence 2: Shares of Guidant were down 5.3 percent at $40.92 in afternoon trading on the New York Stock Exchange.

A:
3
****