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: "It's our duty to strengthen the reform process," he said. "The changes adopted so far are not cosmetic, but there is still more to be done." Question: What happened prior to the person speaking? Events: ["'s", 'strengthen', 'process', 'said', 'adopted', 'are', 'is', 'be']

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
adopted