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: Police clashed with youths in this northwestern French city on Saturday after authorities banned a rave party due to be held on the sidelines of a rock music festival. Youths set fire to rubbish bins, smashed car windows and hurled bottles at police after authorities banned the party due to a lack of security, witnesses said.

Output: What event has already finished?

Input: Consider Input: Passage: Barreto's past includes a stint as the coach of Ghana's national team as well as time as an assistant coach of German side Borussia Dortmund and Russian side Lokomotiv Moscow. Naval lie in 10th place in the 16-team Portuguese premier league with 17 points from 13 matches, 17 points behind leaders FC Porto.

Output: What event has already finished?

Input: Consider Input: Passage: It is said that such research work is going smoothly, and the new-type vaccine is expected to put into use at the end of this year. The ministry also enhanced crackdown upon counterfeit vaccines and issued 8.2 million fake-proof labels for this purpose.
Output: What event has already finished?