Who bakes apple pies ? The man Who grows apples bakes pies.
who makes the best apple pies?
The man whose apples are the sweetest bakes the best pies
what didn't get baked into the pie ?
The apple That had a bruise did not go in the pie.
what won the prize ?
The pies, which were the sweetest, won the prize.

try writing a riddle of your own. follow example above. ask questions that require an answer with a relative pronoun. Use each relative pronoun at least once.