question:  LONDON (Reuters) - Oil prices extended recent heavy losses  on Wednesday ahead of weekly U.S. data expected to show fuel  stocks rising in time for peak winter demand.
Q: Which is the best summary of this article?
I think the answer is
answer: Business

question: In its quest for the paperless office, Adobe Systems is gearing up for sweeping changes to its Acrobat and Reader platforms. The San Jose, Calif.
Q: Which is the best summary of this article?
I think the answer is
answer: Science/Tech

question: US Airways Group Inc.'s shares tumbled nearly 9 percent in early trading Tuesday after union leaders representing US Airways pilots rejected sending a management contract proposal to members for possible ratification.
Q: Which is the best summary of this article?
I think the answer is
answer:
Business