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: When strategically implemented, an intranet solution will provide the ability to mediate mission-critical, decision support functions in organisations. It will also help further improve communications and collaboration at all levels in an organisation. Question: What happens before further improvement of communications and collaboration? Events: ['implemented', 'provide', 'mediate', 'help', 'communications', 'collaboration']
A:
implemented