Which of the following is the most obvious example of an attack used by hackers to get you to take an action or reveal information?

Someone calls you from IT$,$ asking you to take some action on your device.

A voicemail message from a coworker asking a question about a project you are both working on$.$

You receive an unexpected text message from your organization, testing their emergency notification system.

Someone from IT sends out an email requesting all employees log out tonight due to scheduled system maintenance.