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Gentian violet ( GV ) is a well - known triarylmethane dye that is used in aquacultural , industrial and medicinal fields .
 Chemical: Gentian violet; Chemical: triarylmethane
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: Gentian violet; Chemical: triarylmethane