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.
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Question: 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']

Answer: become

Question: Passage: A performing gala themed on "Ode to Friendship" was staged here Saturday evening to mark the Beijing Summit of Forum on China-Africa Cooperation (FOCAC) and facilitate cultural exchanges. In one hour and a half, performers serve up a real feast to both eyes and ears for state and government leaders and high- ranking officials from more than 40 African countries, who are here for the two-day landmark gathering. Question: What happened after the theme was staged? Events: ['performing', 'staged', 'facilitate', 'exchanges', 'up', 'gathering']

Answer:

Question: Passage: ''That matter is under review,'' Deputy Attorney General Eric Holder said when asked Thursday about the violations. ''We will look at that, try to make some kind of factual determination and then decide what steps, if any, need to be taken.'' Question: What will happen before we decide? Events: ['is', 'said', 'asked', 'look', 'make', 'decide', 'taken', 'try']

Answer:
look