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: I submitted the hit. The hit was approved, and then I was paid. Question: What happened after I submitted the hit? Events: ['submitted', 'approved', 'paid'].
Example output: approved, paid
Example explanation: From the passage, we can infer that events approved and paid happened after the event submitted. Therefore, the answer to this question is "approved, paid".
Q: Passage: However, the North-African countries complained that they did not have sufficient tools to enhance border control and demanded more financial compensation for cooperation on combating illegal immigration. Critics also pointed out that the disputes on terrorism and immigration overshadowed other pressing issues, such as economic cooperation and development, which was of greater importance for the Arabic states. Question: What event has already finished? Events: ['complained', 'have', 'enhance', 'demanded', 'combating', 'compensation', 'cooperation', 'immigration', 'pointed', 'disputes', 'overshadowed', 'cooperation', 'development', 'terrorism', 'immigration', 'was']
A:
complained