Given the task definition and input, reply with output. In this task, you will be given a passage, a question and a list of single-word events identified from the passage. The goal is to point out all events from the given event list that can answer the question. If a question is unanswerable or none of the events answer the question, output should be empty.

Passage: The push by APEC leaders to keep the momentum going is seen as important because the region represents nearly half of the world trade. But experts were not optimistic about the outcome of the WTO ministerial conference in Hong Kong next month. Question: What event has already finished? Events: ['push', 'momentum', 'seen', 'represents', 'were', 'outcome', 'conference']
were