In this task, a passage will be given and the goal is to generate a question about temporal relations based on that passage. A temporal relation describes the relation between two things with respect to time e.g., something happens/starts/terminates/... immediately/shortly/usually/... before/after/during/... something else.
Your question should include an event, or ask about an event, and should not be a yes/no question.

Input: Consider Input: Passage: The initiative was launched in 1996, within days of a massacre of 35 people in Port Arthur, Tasmania, by a gunman using semi-automatic weapons. Under the new law, the federal government banned semi-automatics and pump-action rifles and shotguns and offered to buy these weapons from gunowners, using a levy on income tax.

Output: What event has already finished?

Input: Consider Input: Passage: The CSOM is the final meeting of Senior Officials before the 17th APEC Ministerial Meeting on Nov. 15-16 and the 13th APEC Economic Leaders' Meeting that will take place on Nov. 18-19. APEC, established in 1989, currently has 21 members: Australia, Brunei, Canada, Chile, China, China's Hong Kong, Chinese Taipei, Indonesia, Japan, Malaysia, Mexico, New Zealand, Papua New Guinea, Peru, the Philippines, Russia, Singapore, South Korea, Thailand, the United States and Vietnam.

Output: What event has already finished?

Input: Consider Input: Passage: The Nikkei stock average gained 307.83 points, or 1.6 percent, from Monday in the first one hour to stand at 18,978.20 at 10 a.m. (0100 GMT). "The upsurge in New York encouraged market participants here," Harushige Kobayashi of Yamaichi Securities Co. Ltd. said, adding the Tokyo market would probably hold firm for the day.
Output: What event has already finished?