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: Technicians at the ministry of planning said that the building had collapsed on Tuesday because workers had failed to observe construction regulations. After the previous accidents, the local press blamed greedy proprietors for erecting buildings with the sole aim of cutting costs at the expense of safety.
Output:
What event has already finished?