The phone rings at police headquarters. "Hello?"
"Hello, is this the police?"
"Yes. How can I help you?"
"I'm calling to report my neighbor. He is hiding stolen diamonds in some fallen trees on his property."
"Thank you for the tip." The police immediately go to the address given by the informant. The police chop the trees into pieces, but find no diamonds.
Later the phone rings at the neighbor's house. "Hello! Did the police come?"
"Did they chop your firewood?"
"Yes, they did."
"Okay, now it's your turn to call. I need my vegetable garden plowed.