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.

[Q]: Passage: During that conflict, Angola was one of three countries to send troops to support Kinshasa against rebels backed by Rwanda and Uganda. The refugees are being flown either to Mbanza Kongo or to Uige in northern Angola and the UNHCR allows them to take 40 kilograms (88 pounds) of luggage, and gives them either cash subsidies or assistance packages of food and items like cooking utensils, depending on their destination. Question: What happened before refugees were being flown to Mbanza Kongo and Uige? Events: ['conflict', 'was', 'send', 'support', 'flown', 'allows', 'take', 'gives', 'backed']
[A]: conflict


[Q]: Passage: South Korean prosecutors Friday summoned two senior opposition politicians for questioning over a massive graft scandal enveloping the Hanbo business group, prompting charges of a political conspiracy. The Prosecutor General's Office called in Kim Sang-Hyon of the main opposition National Congress for New Politics and Kim Yong-Hwan of the second opposition United Liberal Democratic Party. Question: What happened before the questioning? Events: ['summoned', 'questioning', 'scandal', 'enveloping', 'prompting', 'charges', 'conspiracy', 'called']
[A]: summoned


[Q]: Passage: Brazil and Russia agreed Thursday to develop cooperation in military, trade, space and energy affairs during a visit by Russia's Foreign Minister Sergei Lavrov, officials said. Reporters peppered Lavrov and his Brazilian counterpart, Celso Amorim, with questions about a proposed purchase of Russian-made military helicopters at a joint news conference. Question: What happened before the visit? Events: ['agreed', 'develop', 'cooperation', 'visit', 'said', 'peppered', 'questions', 'proposed', 'purchase', 'Russian-made', 'conference']
[A]: