Take the following as truth: She is seized with panic, and under its influence she hurries downstairs, and quickly drops the coffee-cup and saucer used by Mademoiselle Cynthia into a large brass vase, where it is discovered later by Monsieur Lawrence. 
Then the following statement: "The drugs influence wore off shortly but, the perceived placebo effect lingered." is true, false, or inconclusive?
Answer: Inconclusive