18566
As drug targets for obesity , both TRPV1 and TRPM5 offer the advantage of operating in compartments that could limit drug distribution to the site of action .
 None
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:  
Answer:
 None