by drinking a bottle of whiskey that contained two tablets of rat poison.
What are you asking this makes no sense
Answer:
That most pretty people are dumb.
Explanation:
Empty-headed means unintelligent and foolish. Maybe they could be saying that most beautiful people are foolish. It could be because they focus more about themselves than other things? You're gonna have to answer if you agree or disagree though.
The central idea and its supporting details because the central idea is the main idea of the story. The supporting details are your evidence of the central idea.