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.
Q: Passage: It also came just ahead of a visit to Japan by US Defense Secretary William Cohen. Japanese police are leading the investigation. Question: What event has begun but has not finished? Events: ['came', 'visit', 'leading', 'investigation']
A: 
leading