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.
--------
Question: Passage: Naivasha has been rife with animosity between foreign investors, mainly flower farmers, and the local population over access to resources, and has been the scene of several violent attacks on European residents, although Root's murder is the first in several months. At least three other Europeans have been slain in violent robberies in the Rift Valley since September 2004, prompting great unease and major security fears in the expatriate community. Question: What began during the violent attacks? Events: ['been', 'animosity', 'access', 'resources', 'been', 'attacks', 'murder', 'months', 'slain', 'robberies', 'September', '2004', 'prompting', 'unease', 'fears', 'is']

Answer: been

Question: Passage: But violence flared in the capital before the clampdown took full effect, killing at least seven people and wounding at least 30. Two US soldiers also died in separate attacks south of Baghdad and in the volatile western Sunni province of Al-Anbar. Question: What happened in the capital before the clampdown? Events: ['flared', 'clampdown', 'effect', 'killing', 'wounding', 'died', 'attacks']

Answer: flared

Question: Passage: On Thursday, Yukos described the sale process as "a most extraordinary 18-month marathon" which the Kremlin repeatedly tried to derail. Yukos had announced a tender to sell its stake in Mazeikiu last year, as a politically charged row with the Kremlin over unpaid taxes heated up. Question: What might happen after Yukos announced a tender? Events: ['described', 'process', 'marathon', 'tried', 'derail', 'announced', 'sell', 'row', 'taxes', 'heated', 'sale']

Answer:
sale