28190
Halo nevi are estimated to be present in approximately 1 % of the general population , and are found to be more prevalent in people with vitiligo , malignant melanoma , All races and sexes are equally susceptible to this disease , although a familial tendency has been reported .
 disease: vitiligo; disease: malignant melanoma
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: vitiligo, malignant melanoma 
Answer:
 disease: vitiligo; disease: malignant melanoma