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.

Input: Consider Input: Passage: Excluding some costs, profit was 47 cents a share, topping the 45- cent average estimate in a Thomson Financial survey of analysts. Its stock rose 56 cents to 31.61 dollars. Question: What happened before the estimate? Events: ['topping', 'estimate', 'survey', 'rose', 'costs', 'profit', 'was']

Output: survey

Input: Consider Input: Passage: The western military alliance invited the three central and eastern European countries to join the 16-nation bloc in July 1997 at the Madrid summit. The three countries have finished all necessary formalities for accession after the Hungarian parliament ratified the accession treaty on Tuesday. Question: What will happen after the summit? Events: ['invited', 'join', 'finished', 'ratified', 'have', 'accession']

Output: accession

Input: Consider Input: Passage: Former army leader Pinochet, who died in Santiago's Military Hospital Sunday at age 91 a week after suffering a heart attack, has been given a military farewell with his funeral taking place in the Military School's courtyard Tuesday. His face and chest could be seen through a glass window as his coffin was flanked by eight honor guards and two huge candles. Question: What event has begun but has not finished? Events: ['Former', 'died', 'Sunday', '91', 'week', 'suffering', 'attack', 'given', 'farewell', 'funeral', 'place', 'Tuesday', 'seen', 'flanked']
Output: farewell