In Kouzes and Posner's Chapter $4,$ Set the Example, it discusses Confronting Critical Incidents. Which of the following best summarizes this discussion?

Critical incidents $-$ chance occurrences, particularly at a time of stress and challenge $-$ offer significant moments of learning for everyone.

Critical Incidents are metaphors for the visions that the CEO may have for the organization.

Spend time carefully writing the company mission statement, and make sure you get employees involved in the discussion.

Critical incidents refer to major milestones in the organization's history, such as when the company was taken public.