What are the locations where you might see a Promoted Video served?

Within the timeline, on someone’s profile, and at the top of relevant search results pages
Only within the timeline
On the sidebar of twitter.com, in your Direct Message inbox, and in the Moments section
The Trends section, the login screen, and the profile settings page

The correct answer is:

Within the timeline, on someone’s profile, and at the top of relevant search results pages.