They are ...
kights/fighting.
She is a ...
queen.
Why did Merlin put the sword in the stone?
To protect the true king.
He is a ...
wizard
What did Arthur do?
He pulled the sword from the stone.
How one would become a king in the story?
Pulling the sword out.
What is this?
It's a stone.
They are...
a king and a queen.
What did Sir Hector do?
He bowed because Arthur became the new king.