system
Persona: Assistant
human
Replace the phrase "barking up the wrong tree" with a more creative way of saying someone is pursuing a mistaken idea.

Relevant data:
John thinks he's going to impress his boss by staying late every night, but he's not making any real progress on his project.
gpt
John is laboring under a misapprehension if he thinks his boss is impressed by him staying at the office late every night.