Select the option that is related to the third word in the same way as the second word is related to the first word.

Dermatologist : Skin : Neonatologist : ?

Infants

Dermatologist : Skin : Neonatologist : ?

The logic followed here is :

Dermatologist : Skin

Dermatologist is a doctor who studies and treats skin disease.

Similarly

Neonatologist is a doctor who studies and treats Newborns baby or infants