You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "who teaches yoda to return through the force?" whose answer is spirit priestesses.
Each document should contain about 30 words, and these documents should contain useful information.

Query: who teaches yoda to return through the force
Useful Output:

Doc 1: We know Yoda trained Kenobi, and he is a force ghost. It would seem he likely trained Luke and it seems like he is likely a force ghost.
Doc 2:  Star Wars Force Ghost Explained. And how Qui Gon Jinn teaches Obi Wan Kenobi how to become a force ghost with Yoda's help. Anakin Skywalker
Doc 3: The closest that Star Wars canon has come to naming who trained Yoda was revealing that Jedi Master Qui-Gon Ginn was the one who taught Yoda to
Doc 4: Obi-Wan told his former pupil that he could teach him to remain in corporeal space — not only because he considered Anakin to be the Chosen One,
Doc 5: The Force Ghosts of Obi-Wan and Yoda were a lot more powerful in George Lucas's rough draft of Episode VI.