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 broader Standard & Poor's 500 Index <.SPX> was up 9.69 points, or 0.98 percent, at 994.53. Sentence 2: The tech-laced Nasdaq Composite Index <.IXIC> gained 18.35 points, or 1.13 percent, to 1,646.02.

A: 1
****
Q: Sentence 1: Zimmerman says that he was sucker punched by his car. Sentence 2: His "friends" say that he was confronted by his car.

A: 2
****
Q: Sentence 1: Tampering with medicine has been so lucrative that many of those arrested lived in million-dollar homes. Sentence 2: Tampering with medicine apparently was so lucrative, investigators said, that many of the suspects lived in million-dollar homes.

A:
5
****