text: A<unk>  or<unk>  Blue Spot is a benign flat congenital birthmark with wavy borders and irregular shape, most common among people of East Asian descent, and named after<unk> s. It is also extremely prevalent among East Africans and Native Americans. It normally vanishes three to five years after birth and almost always by puberty.
option_0: Mongolian spot
option_1: Fordyce spots
option_2: Bitot's spots
option_3: Cotton wool spots
option_4: Retinitis punctata albescens
option_5: Spider angioma
option_6: Compound nevus
option_7: Nevus anemicus