The following question refers to Gulliver's Travels by Jonathan Swift. What is unusual about the attendants on Glubbdubdrib?

They work only two days per week.

They are ghosts.

They follow their employers everywhere.

They are all female.

The correct answer is: They are ghosts.

Glubbdubdrib is a secret island whose Governor is a magician with the power to "call up any shade", meaning he can raise people from the dead as ghosts for 24 hours. Gulliver befriends him and is offered to raise from the dead whoever he wants to meet.