3699
There was only one case of dementia possibly due to cimetidine ( with a drug level of 1 . 9 microgram / ml 6 hr after a dose ) in a group of 13 patients without liver or kidney disease who had cimetidine levels above 1 . 25 microgram / ml .
 Disease: dementia; Chemical: cimetidine; Disease: liver or kidney disease; Chemical: cimetidine
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: dementia, cimetidine, liver or kidney disease, cimetidine 
Answer:
 Disease: dementia; Chemical: cimetidine; Disease: liver or kidney disease; Chemical: cimetidine