5284
Fourth , the disease phenotype is significantly more severe and had an early age of onset ( 16 years ) in a subject homozygous for the expanded allele , which contrasts with Huntington disease and suggests that the expanded allele in the MJD1 gene could exert its effect either by a dominant negative effect ( putatively excluded in HD ) or by a gain of function effect as proposed for HD .
 Disease: Huntington disease; Disease: HD; Disease: HD
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
 Entities: Huntington disease, HD, HD 
Answer:
 Disease: Huntington disease; Disease: HD; Disease: HD