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.

[EX Q]: Passage: A Hong Kong pro-democracy group on Saturday turned its wrath on Britain, saying it would stage protests at an upcoming visit by ex- premier Margaret Thatcher in anger at British "lip service" on the territory's future. The announcement was made by the United Front Against the Provisional Legislature, a loose alliance of politicians and grass-roots activists opposing the assembly set up by China to legislate in Hong Kong after the July 1 handover.
[EX A]: What event has already finished?

[EX Q]: Passage: In 1975, the College of the Marist Brothers revolutionised South Africa's racially segregated environment by opening its horse competitions for people of all colours. "They had to struggle to get authorisation from the government," says Mafokate.
[EX A]: What event has already finished?

[EX Q]: Passage: The Dallas oil and gas concern said that $10 million of the facility would be used to consolidate the company's $8.1 million of existing bank debt, to repurchase 4 million of its 4.9 million shares outstanding of Series D convertible preferred stock, and to purchase a 10% net-profits interest in certain oil and gas properties from one of its existing lenders, National Canada Corp. The remaining $40 million can be used over three years for oil and gas acquisitions, the company said.
[EX A]:
What event has already finished?