1893
CONCLUSION : The present experimental findings substantiate the clinically observed anxiogenic potential of ciprofloxacin and norfloxacin .
 Chemical: ciprofloxacin; Chemical: norfloxacin
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: ciprofloxacin, norfloxacin 
Answer:
 Chemical: ciprofloxacin; Chemical: norfloxacin