Generate a short summary: police questioned prime minister ariel sharon for more than two hours thursday about a bribery scandal that could force him out of office .
Answer: police question sharon in bribery scandal that could force his resignation

Generate a short summary: matsushita electric and nec corp. said thursday that they will set up two joint ventures later this year to consolidate development of cellular phone communication and application .
Answer: matsushita nec to set up mobile phone joint venture

Generate a short summary: the u.s supreme court ordered the federal government monday to take a fresh look at regulating carbon dioxide emissions from cars , a rebuke to bush administration policy on global warming .
Answer:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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u.s. supreme court tells bush administration it has authority to regulate greenhouse gas emissions from cars