Answer:
I am the first you ever saw, what greets you every morning and what goes out in the end.
Sally, Lisa, and Bernadette are triplets. But Sally and Lisa share something that Bernandette does not. What is it?
What is filled with air and sometimes a gas, tied to a string and often seen on your birthday?
A small hill with seven holes.
What has a neck and no head, two arms but no hands?
Cycle Cycle Cycle.