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.

Example Input: Passage: In trading on the New York Stock Exchange, Cineplex closed at $11, down 25 cents, with more than a million shares changing hands. On the Toronto Stock Exchange, Cineplex closed at C$12.875, off 37.5 Canadian cents, well below the C$16.40 level. Question: What happened after the shares were changing hands? Events: ['closed', 'changing', 'closed']
Example Output: closed

Example Input: Passage: EU-Iran talks collapsed in August when Tehran ended its suspension of uranium conversion, a first step towards enrichment, and the planned talks are aimed at determining if negotiations can resume. Nuclear-armed Pakistan has figured in the International Atomic Energy Agency's investigation of Iran's atomic fuel reactor programme. Question: What event has already finished? Events: ['talks', 'collapsed', 'ended', 'suspension', 'conversion', 'step', 'enrichment', 'talks', 'aimed', 'determining', 'negotiations', 'resume', 'figured', 'investigation', 'programme']
Example Output: talks

Example Input: Passage: South Korean prosecutors Friday summoned two senior opposition politicians for questioning over a massive graft scandal enveloping the Hanbo business group, prompting charges of a political conspiracy. The Prosecutor General's Office called in Kim Sang-Hyon of the main opposition National Congress for New Politics and Kim Yong-Hwan of the second opposition United Liberal Democratic Party. Question: What happened before the questioning? Events: ['summoned', 'questioning', 'scandal', 'enveloping', 'prompting', 'charges', 'conspiracy', 'called']
Example Output:
summoned