Transcript:
Chazz: Do you know where my car keys are, Poncho?
Poncho: Nope.
Chazz: You didn;t hide them because i mentioned the vet, did you?
Poncho: Of course not!
Chazz: You do realize that I need the car to get your dog food, too?
Poncho: Oh, look! Here they are!
Very plausible. We spent quite a while looking for a credit card a few years back. Finally, the dog went out to the yard, dug it up, and brought it to us.