He's scared?
I think this because usually when I refuse to tell someone somthing I am scared.
By putting it as a matter-of-fact statement (assuming everything else was action packed) there is a massive shift that creates contrast in the piece and leaves a very concise point to shock/leave the reader with.
Many customers said they had a chance to eat and drink in a cleaner environment.
Answer:
They are all independent.
Explanation:
Generally, it keeps the reader interested. Also, when you start an essay/story, include a hook to capture your reader.