930
Because of the need for the development of new treatments for Crohn ' s disease , a pilot study was undertaken to estimate the pharmacodynamics and tolerability of fusidic acid treatment in chronic active , therapy - resistant patients .
 Disease: Crohn ' s disease; Chemical: fusidic acid
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: Crohn ' s disease, fusidic acid 
Answer:
 Disease: Crohn ' s disease; Chemical: fusidic acid