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The types of fatty acids were linoleic acid ( control ) , an equal mixture of trans - 10 , cis - 12 ( 10 , 12 ) CLA plus linoleic acid , and an equal isomer mixture of 10 , 12 plus cis - 9 , trans - 11 ( 9 , 11 ) CLA .
 fatty acids, linoleic acid, linoleic acid
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 fatty acids, linoleic acid, linoleic acid