Answer:
What is as big as you are and yet does not weight anything?
What can be swallowed, But can also swallow you?
What can go through glass without breaking it?
What is weightless but it needs two person to hold it?
John was going to a party and, as he approached, he could see in the windows that it was completely packed with people. He went inside only to discover that there wasn’t a single person inside
What language does a billboard speak?