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: Hang Seng Mainland Composite Index rose 11.36 points, or 0.63 percent, to close at 1,819.47. Introduced on Oct. 3, 2001, Hang Seng Mainland Composite Index gauges the performance of 95 Hong Kong-listed companies with principal places of business in Hong Kong and the mainland. Question: What event has already finished? Events: ['rose', 'close', 'Introduced', 'gauges', 'performance']
Example Output: rose

Example Input: Passage: The construction of the transnational oil pipeline signifies that the energy cooperation between China and Kazakhstan has stepped into a new phase, said Yin Juntai, deputy general-manager of China Petroleum Exploration and Development Company. He said currently the CNPC has 53 projects in 21 countries, including three exploration projects, four oilfields and two pipeline projects in Kazakhstan. Question: What event has already finished? Events: ['construction', 'signifies', 'cooperation', 'stepped', 'said', 'said', 'has']
Example Output: construction

Example Input: Passage: Tomen said its capital tie-up with the Rotterdam-based Koppert would help breed and market types of benign insects peculiar to Japan. It plans to sell 12 other types of insects to farmers for use in greenhouses. Question: What happened after plans were formed? Events: ['said', 'breed', 'market', 'plans', 'sell', 'use', 'tie-up']
Example Output:
said