Wet Mop

Riddle: A mop has been left in a bucket overnight, but it has not gotten wet. How is this possible?

Answer: There was no water in the bucket.

Source: https://www.riddles.com/index.php/8064

A mop has been left in a bucket overnight, but it has not gotten wet. How is this possible? — Wet Mop by Elliot Goff v1.

Riddle: A mop has been left in a bucket overnight, but it has not gotten wet. How is this possible? Answer: There was no water in the bucket. — by Elliot Goff v2.