4024
Pharmacokinetic and clinical studies in patients with cimetidine - associated mental confusion .
 Chemical: cimetidine; Disease: confusion
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: cimetidine, confusion 
Answer:
 Chemical: cimetidine; Disease: confusion