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Elements of the hAT transposon family , such as the maize activator ( Ac ) , have been discovered in a large number of eukaryotic species .
 GENE: hAT transposon family; GENE: maize activator; GENE: Ac
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: hAT transposon family; GENE: maize activator; GENE: Ac