9521
There are the enzymes and accessory proteins that lead to the metabolism of lipid substrates , provided through diet or through actions of lipases , the subsequent lipid products , and finally the lipid sensors or receptors .
 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