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.

Input: Consider Input: Passage: Technicians at the ministry of planning said that the building had collapsed on Tuesday because workers had failed to observe construction regulations. After the previous accidents, the local press blamed greedy proprietors for erecting buildings with the sole aim of cutting costs at the expense of safety. Question: What was happening before the previous accidents? Events: ['said', 'collapsed', 'failed', 'observe', 'accidents', 'blamed', 'erecting', 'cutting']

Output: erecting


Input: Consider Input: Passage: I would be very surprised if his departure signals any change in strategy or change in profit expectations." On London's Stock Exchange, Reuters shares rose five pence to 913 pence ($14.43). Question: What event has begun but has not finished? Events: ['departure', 'signals', 'change', 'change', 'rose', 'be']

Output: 


Input: Consider Input: Passage: To mollify shareholders concerned about the long-term value of the company under the BellSouth-LIN agreement, BellSouth also agreed to pay as much as $10 a share, or $540 million, if, after five years, the trading value of the new cellular company isn't as high as the value that shareholders would have realized from the McCaw offer. "We're very pleased with the new deal. Question: What event has begun but has not finished? Events: ['mollify', 'agreed', 'agreement', 'pay', 'value', 'realized', 'offer', 'pleased', 'deal', 'concerned']


Output: deal


