13808
To develop a fundamental and comprehensive understanding of lipids in RJ , this article reviews the available literature on lipid compounds identified from RJ extracts and in vitro pharmacological effects of 10 - hydroxy - 2 - decenoic acid in RJ and other closely related compounds , some of which are also identified as lipid compounds in RJ .
 Chemical: 10 - hydroxy - 2 - decenoic acid
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: 10 - hydroxy - 2 - decenoic acid 
Answer:
 Chemical: 10 - hydroxy - 2 - decenoic acid