Detailed Instructions: 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: Mahathir said it was fortunate that he had sought immediate treatment as soon as he had the mild heart attack, and this had enabled doctors to dilute the blood clot in his coronary artery. Mahathir, who will turn 81 next month, was rushed to the NHI early Thursday morning after complaining of chest pains. Question: What happened while he sought treatment? Events: ['said', 'sought', 'attack', 'dilute', 'turn', 'rushed', 'complaining']
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
rushed