Read the following dialog and choose the correct answer.

Vivi     : Where are you going?
Darel    : I am going to the Siloam hospital.
Vivi     : What are you doing there?
Darel    : My aunt is hospitalized and I want to visit her. Anyway, does your sister work in Siloam hospital?
Vivi     : Yes, she works there as a doctor. Would you like to meet my sister?
Darel    : Yes, I want to meet her. What does she look like?
Vivi     : Well. She is tall and slim. She has long straight hair and an oval face. She is the only doctor who wears eyeglasses at the hospital.
Darel    : Is she pretty?
Vivi     : Yes, she is. She is my sister, you know.
Darel    : Alright. I hope I can meet her.
Vivi     : Yeah.

Which statement is not true about Vivi’s sister?