instruction:
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.
question:
Sentence 1: A man is diving into a swimming pool. Sentence 2: A man is singing into a microphone.
answer:
1

question:
Sentence 1: Peter Lyman and Hal Varian of Berkeley's School of Information Management and Systems say that information production has increased by 30 percent each year between 1999 and 2002. Sentence 2: That task appealed to two masters of the megabyte, Peter Lyman and Hal Varian, professors at the University of California-Berkeley's School of Information Management and Systems.
answer:
2

question:
Sentence 1: The hearing occurred a day after the Pentagon for the first time singled out an officer, Dallager, for not addressing the scandal. Sentence 2: The hearing came one day after the Pentagon for the first time singled out an officer - Dallager - for failing to address the scandal.
answer:
5