66052
A February 2012 study genetically engineered female mice to have mutations in the x-chromosome MECP2 gene , linked to Rett syndrome , a disorder in humans similar to autism .
 disease: Rett syndrome
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: Rett syndrome 
Answer:
 disease: Rett syndrome