What part of speech is guided?

"Guided" can be several parts of speech, depending on how it's used in a sentence:

* Verb (past participle): "He guided the group through the maze."

* Adjective: "She followed the guided tour."

* Noun: "The teacher provided a guided tour of the museum."

Let me know if you have a specific sentence in mind, and I can tell you what part of speech it is in that context.