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: Cholera, dysentery and malaria are among the many health perils facing approximately 80,000 Rwandan Hutu refugees around the rebel-held city. The emaciated and ill refugees fled from advancing rebels who now control eastern Zaire. Question: What event has begun but has not finished? Events: ['facing', 'fled', 'advancing', 'control', 'perils']
control