Take the following as truth: Even when Forrest Sawyer is sitting in, it's still World News Tonight With Peter Jennings . Just because Johnny goes on vacation, The Tonight Show Starring Johnny Carson doesn't suddenly become The Tonight Show With Jay Leno . The task of a guest host is delicate.
Then the following statement: "Johnny Carson went on vacation often thus giving Jay Leno something to do.  " is true, false, or inconclusive?
Answer: Inconclusive