What is the return value of this function?

He is scheduled to come back in a week.

He disobeyed his parents and went his own way.

He disobeyed what his parents said.

All his actions can be said to be rebellious.

He defied his parents' opinion and chose his own path.

This mortise is perfectly made.

I found a common rabbit in the park.

I went to buy soil to fill the hole in the garden.

He used cement to fill the hole in the wall.