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: An experimental vaccine developed by GlaxoSmithKline that targets two viruses responsible for 70 percent of uterine cancer cases triggers twice the immune response in girls aged 10 to 14 than in those aged 15 to 24, the British pharmaceutical firm said Saturday. The results of phase 3 clinical trials were presented at an annual conference on infectious diseases under way this weekend in Washington. Question: What event has already finished? Events: ['developed', 'targets', 'cases', 'triggers', 'response', 'said', 'results', 'trials', 'presented', 'conference']

Answer: developed

Question: Passage: In their joint statement, released by the Kremlin, the two leaders also pledged to consult each other regularly on their approaches to relations with NATO and, in particular, their action within the framework of NATO's Partnership for Peace program. Last year, Russian officials assailed Ukraine for holding joint naval exercises with NATO in the Black Sea _ an area Moscow considers its own turf. Question: What happened after the leaders pledged something? Events: ['released', 'pledged', 'consult', 'assailed', 'holding', 'considers']

Answer: released

Question: Passage: Under the government proposal, a mechanism would be created to provide an information and cooperation link that would allow smaller firms to learn about access to global markets from multinationals, Sioufas said. Sioufas made the remarks at the opening of a three-day conference in Athens sponsored by the OECD, Asia Pacific Economic Cooperation (APEC) and the Development Ministry. Question: What would be created after the conference? Events: ['mechanism', 'created', 'provide', 'allow', 'cooperation', 'learn', 'access', 'said', 'made', 'opening', 'conference', 'sponsored', 'proposal']

Answer:
mechanism