Answer:
Walk on the living, they don’t even mumble, Walk on the dead, they mutter and grumble. What are they?
What’s black in the morning, red in the afternoon, and white at night?
What English word retains the same pronunciation, even after you take away four of its five letters?
What contains zero calories, but if you consume it, you will probably gain weight?
What can answer in any language? What can speak without a mouth? What can sing without an ear?
What is so fragile that saying its name breaks it?