Answer:
I am the kind of soda you must not drink. What am I?
lighter than feather and softer than silk yet the strongest man in the world cannot hold me for more than a few minutes.
What building has the most stories?
I have a lot to say but can't be heard because I can't speak one single word. What am I?
What can be as big as an elephant but weighs nothing?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.