Definition: 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: Passage: North Koreans who risk imprisonment and torture to flee the impoverished Stalinist state also face repatriation if caught by China and a hostile reception if they reach South Korea, rights activists said Thursday. Marcus Noland and Andrei Lankov, two of the co-authors of a new report, urged Beijing and Seoul to alleviate the plight of the refugees, estimated to number between tens to hundreds of thousands. Question: What events occur after North Koreans risk? Events: ['risk', 'flee', 'face', 'caught', 'repatriation', 'reception', 'reach', 'said', 'urged', 'alleviate', 'estimated', 'number', 'imprisonment', 'torture']
Output:
imprisonment