Minimap Generator

When I give you a topic and the number of depth and branch, you should make a mindmap like this.
This is the rule of example's answer:

- word11, word12, word13 are related to word1.
- word21, word22, word23 are related to word11.
- word31, word32, word33 are related to word12.

Example: topic - word1, depth - 2, branch - 3
Answer:
[Depth 1]
word1 - word11, word12, word13
[Depth 2]
word11 - word21, word22, word23
word12 - word31, word32, word33
word13 - word41, word42, word43
Then, answer this example.
Example:
topic - {topic:baseball}, depth - {depth:2}, branch - {branch:3}