1098
Four mouse models of PWS have been reported but these do not definitively allow the delineation of the critical region and the associated genes involved in the aetiology of PWS .
 Disease: PWS; Disease: PWS
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: PWS, PWS 
Answer:
 Disease: PWS; Disease: PWS