690
Because the intact chromosome 7 , opposite the deleted homolog , maintains the correct imprint in somatic cells of PWS and AS mice and establishes the correct imprint in male and female germ cells of AS mice , homologous association and replication asynchrony are not part of the imprinting mechanism .
 Disease: PWS; Disease: AS; Disease: AS
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, AS, AS 
Answer:
 Disease: PWS; Disease: AS; Disease: AS