Given the task definition and input, reply with output. 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.

Passage: The portfolio unit of the French bank group Credit Lyonnais told stock market regulators that it bought 43,000 shares of Cie. de Navigation Mixte, apparently to help fend off an unwelcome takeover bid for the company. Earlier yesterday, the Societe de Bourses Francaises was told that a unit of Framatome S.A. also bought Navigation Mixte shares, this purchase covering more than 160,000 shares. Question: What event has already finished? Events: ['told', 'bought', 'help', 'fend', 'bid', 'told', 'bought', 'purchase', 'covering']
told