4467
The importance of this association was evaluated in Belgium while this country still had no restriction on the prescription of appetite suppressants .
 Chemical: appetite suppressants
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: appetite suppressants 
Answer:
 Chemical: appetite suppressants