3836
BACKGROUND : The widespread use of benzodiazepines has led to increasing recognition of their unwanted effects .
 Chemical: benzodiazepines
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: benzodiazepines 
Answer:
 Chemical: benzodiazepines