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The three major phenolic acids identified in all four ber species were p - coumaric acid , vanillin and ferulic acids .
 Chemical: phenolic acids; Chemical: p - coumaric acid; Chemical: vanillin; Chemical: ferulic acids
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: phenolic acids; Chemical: p - coumaric acid; Chemical: vanillin; Chemical: ferulic acids