During the course of verbal questioning, the four suspects recorded the following statements.
- Al: The thief was Bud.
- Bud: The thief was Dax.
- Cal: I am innocent.
- Dax: When Bud said that it was me, he lied.
(I) Precisely one of the suspects is lying, and the others are speaking the truth.
(II) Precisely one of the suspects is telling the truth, and the others are speaking falsely.