Answer:
If two is company and three is a crowd, what is four and five?
I am lighter than air but a hundred people cannot lift me. Careful! I am fragile!
Bright as diamonds, loud as thunder, never still, a thing of wonder. What am I?
I'm written with two letters, said with one and seen with two. What am I?
I am in the middle of water but am not an island.
Brings the sky a lot closer.