The Olympians have three children. The kiddie tax applies to unearned income received by which of the following children?

Poseidon is a 20-year-old full-time student who does not support himself.

Demeter, a 23-year-old full-time student who supports herself with a job at a grocery store.

Zeus is 20 years old and not a student.

Two of the above.

None of the choices are correct.