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.

Q: Passage: The coaster has the seating capacity of 25 people, but some 45 to 50 people were on board when the accident occurred. Ambulances of the aid groups, busy in the quake-relief activities in the region, rushed to the site of the accident and started shifting the injured to local hospitals. Question: What happened when people were on board? Events: ['has', 'board', 'occurred', 'busy', 'activities', 'rushed', 'shifting']

A: occurred
****
Q: Passage: The European Union and the United States imposed a crippling aid freeze on the Islamist-led government when it took power in March after an upset parliamentary election victory, leaving it unable to pay its own staff. The Palestinian leadership is now meeting in Ramallah to decide on its next move after declaring an end to talks with Hamas on forming a government of national unity acceptable to Western donors. Question: What event has already finished? Events: ['imposed', 'freeze', 'took', 'victory', 'leaving', 'pay', 'meeting', 'decide', 'move', 'declaring', 'end', 'talks', 'forming']

A: imposed
****
Q: Passage: "What the president has said from the very beginning is we need to train Iraqi security forces so they can increasingly take responsibility for their own security," national security advisor Stephen Hadley said on the same program. "As Iraqis step up, the coalition forces can step back and ultimately, come home. Question: What event has already finished? Events: ['said', 'need', 'train', 'take', 'said', 'step', 'step', 'come']

A:
said
****