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.

Ex Input:
Passage: The flu season is winding down, and it has killed 105 children so far - about the average toll. The season started about a month earlier than usual, sparking concerns it might turn into the worst in a decade. Question: What happened before the season started? Events: ['season', 'killed', 'started', 'sparking', 'turn', 'decade', 'flu']

Ex Output:

Ex Input:
Passage: Saddam is facing charges in this trial over the killing of Shiite villagers, but his regime also launched the bloody Anfal campaign against the Kurds, killing more than 180,000 people over the past two decades. Clark, who with other defence lawyers briefly walked out of proceedings on Monday, has also demanded better protection for the defence lawyers. Question: What might happen after the killing of Shiite villagers? Events: ['facing', 'trial', 'charges', 'killing', 'launched', 'campaign', 'killing', 'walked', 'proceedings', 'demanded', 'protection']

Ex Output:
protection

Ex Input:
Passage: The White House said Mr. Bush decided to grant duty-free status for 18 categories, but turned down such treatment for other types of watches "because of the potential for material injury to watch producers located in the U.S. and the Virgin Islands." Timex is a major U.S. producer and seller of watches, including low-priced battery-operated watches assembled in the Philippines and other developing nations covered by the U.S. tariff preferences. Question: What will have happened before an injury, if one occurs? Events: ['said', 'decided', 'grant', 'down', 'located', 'assembled', 'covered', 'injury']

Ex Output:
said