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 concern in Cuba always has been that if Gonzalez goes he will immediately become involved in political and legal problems that will prevent his speedy return. Elian's paternal grandmother, Mariela, told reporters that she was willing to go to Miami to retrieve her grandson if it was assured to her that she could pick him up and return immediately to Cuba without become embroiled in legal or political problems. Question: What would have begun during legal problems? Events: ['concern', 'been', 'goes', 'become', 'involved', 'problems', 'prevent', 'return', 'told', 'go', 'willing', 'retrieve', 'assured', 'pick', 'return', 'become', 'problems']

Ex Output:
become

Ex Input:
Passage: The boy's mother and 10 other people died when their boat sank on the way from Cuba to the United States. Elian is staying with his paternal great-uncle Lazaro Gonzalez, who is fighting to keep the boy with him in the United States. Question: What may begin after Elian was staying with his great-uncle? Events: ['died', 'sank', 'staying', 'fighting', 'keep']

Ex Output:
keep

Ex Input:
Passage: The appointment of Francisco Javier Ramirez Acuna as Interior Minister sparked controversy as there have been allegations of heavy-handed policing during his previous term as governor of the western Mexican state of Jalisco. Human rights groups have accused Ramirez of turning a blind eye to allegations of abusive and aggressive tactics by Jalisco police. Question: What definitely happened before the controversy began? Events: ['appointment', 'sparked', 'controversy', 'allegations', 'policing', 'term', 'accused', 'turning', 'allegations', 'tactics']

Ex Output:
term