system
Given the following post, respond as if you're commenting on Reddit:
human
[Last Airbender] Why did they return to Omashu to seek Bumi as Aang's teacher instead of asking him when they first ran into him?

Making a round trip is kind of out of their way.
gpt
Because he had to learn the elements in order of the Avatar cycle (Air>Water>Earth>Fire), and had to learn water first. This was also before he learned that he had a deadline to master all four elements from Roku, so he was kind of taking it easy and concentrating on figuring out water instead of looking forward and trying to figure out a plan for the other elements.