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Previously we demonstrated that heterologous activation domains can fully substitute for the ZEBRA activation domain .
 protein: ZEBRA activation domain; protein: ZEBRA; protein: heterologous activation domains
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: ZEBRA activation domain, ZEBRA, heterologous activation domains 
Answer:
 protein: ZEBRA activation domain; protein: ZEBRA; protein: heterologous activation domains