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.
Q: Passage: A privately-owned small plane on Monday crashed in the northern Nigerian city of Kaduna shortly after take-off, killing two people on board, officials told Xinhua. "The incident happened at about 10:30 (0930 GMT) in the morning in Kaduna airport soon after the aircraft took off.
A:
What event has already finished?