Answer:
When the son of the water returns to the parent, it dies. What is it?
What always runs but never walks, often murmurs, never talks, has a bed but never sleeps, has a mouth but never eats?
Only two backbones and thousands of ribs.
When they are caught, they are thrown away. When they escape, you itch all day.
What is long and slim, works in light. Has but one eye, and an awful bite?
What language does a billboard speak?