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: These sales are in full conformity with the central banks' gold agreement dated September 27, 2004, of which the ECB is a signatory," the bank said in a brief statement. The ECB did not provide any further details. Question: What happened prior to the ECB becoming a signatory? Events: ['sales', 'are', 'dated', 'is', 'said', 'provide']

Answer:

Question: Passage: Confined to a wheelchair, Taki was greeted at the airport by his two daughters, aged 27 and 24, along with officials from Matsushita and the Japanese foreign ministry. Taki said he sprained his right ankle after jumping from the roof of the residence Tuesday when Peruvian troops stormed the compound, rescuing all but one of the 72 hostages and killing all 14 rebels. Question: What started, but did not finish, before Taki was greeted at the airport? Events: ['Confined', 'greeted', 'said', 'sprained', 'jumping', 'stormed', 'rescuing', 'killing']

Answer: Confined

Question: Passage: The declaration came when political parties are busy with campaigning for vacant constituencies for possible by-elections this year. "Honestly speaking, people should forget by-elections this year because apart from shortage of commissioners, the electoral process is long and cannot be finished within two months," said MEC spokesperson Fegus Lipenga. Question: What happened before the declaration? Events: ['declaration', 'came', 'busy', 'campaigning', 'speaking', 'forget', 'by-elections', 'shortage', 'process', 'finished', 'said']

Answer:
shortage