What is it?
It's air.
What is his/her job?
He/she is an astronaut.
What is it?
It's Earth.
What is it?
It's the Moon.
What is it?
It's a rocket.
What is it?
It's space.
What are they?
They are tourists.
What is his job?
He's a businessman.
What is his job?
He's an engineer.
