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: But his latest comments remove any doubt that he also backs revisionist historians -- often branded in the West as neo-Nazis -- who maintain Nazi Germany's systematic slaughter of an estimated six million Jews between 1933 and 1945 never took place. "Why, under the pretext of this massacre, have you come to the heart of Palestine and the Islamic world ..., why have you created an artificial Zionist regime?" Question: What will happen in the future? Events: ['backs', 'branded', 'maintain', 'slaughter', 'come', 'created', 'remove', 'massacre']
Example Output: backs

Example Input: Passage: After the water pollution incident occurred, China has repeatedly informed its neighbor of the details of the pollution incident, including various lab test results such as the pollutant's species and density and the location of polluted stretches. The two sides have agreed to open up a hotline between environmental departments for still better contacts and communication over the water pollution problem, and China informs Russia of the latest developments daily, the Chinese forign minister said. Question: What event has already finished? Events: ['occurred', 'has', 'informed', 'incident', 'incident', 'have', 'agreed', 'open', 'problem', 'informs', 'said']
Example Output: incident

Example Input: Passage: Hong Kong leader Donald Tsang said he and the Executive Council, or cabinet, completely supported the decision. "We believe that the decision (Tang) has made respects fully the wishes of Hong Kong people that we should seriously consider widening our tax base." Question: What will have begun after the decision? Events: ['said', 'supported', 'decision', 'believe', 'decision', 'made', 'respects', 'wishes', 'consider', 'widening']
Example Output:
said