OK, we have the challenge of writing something in a total of 63 words.
All he had to do was unlock the door.
But first, he had to steal the key.
A key secreted away out of reach.
So he needed a chair.
The chair that was in the hall.
The hall where the dog slept.
The dog that barked when disturbed.
He sat on the bed and thought.
How to unlock the door without a key.