3833
Epidemiological findings suggest that men and women vary in their pattern of cocaine use resulting in differences in cocaine dependence and relapse rates .
 Chemical: cocaine; Chemical: cocaine
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: cocaine, cocaine 
Answer:
 Chemical: cocaine; Chemical: cocaine