1533
CONCLUSIONS : NGF and PGs have important roles in the development of OAB symptoms in female patients .
 Chemical: PGs; Disease: OAB
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: PGs, OAB 
Answer:
 Chemical: PGs; Disease: OAB