Instructions: 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: Passage: In addition, in an illegal demonstration at Istanbul's Kucukcekmece district, police forces arrested 12 PKK members who carried five Molotov cocktails. Turkey has been fighting against a resurging violence as the PKK intensified landmine and remote-controlled bombing attacks in the country over the past few months.
Output:
What event has already finished?