16658
Pyrogallol - related chemicals and tannins are present in dietary sources and individually produced strong activity : pyrogallol ( 30 x ) , 3 - methoxycatechol ( 25 x ) , gallic acid ( 21 x ) , and 1 , 2 , 4 - benzenetriol ( 21 x ) .
 Chemical: Pyrogallol; Chemical: tannins; Chemical: pyrogallol; Chemical: 3 - methoxycatechol; Chemical: gallic acid; Chemical: 1 , 2 , 4 - benzenetriol
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: Pyrogallol; Chemical: tannins; Chemical: pyrogallol; Chemical: 3 - methoxycatechol; Chemical: gallic acid; Chemical: 1 , 2 , 4 - benzenetriol