4783
Obstruction of the ERF repressor function by the transactivating members of the ets family of genes ( i . e . gag - myb - ets ) may be essential for the control of genes involved in cell proliferation and may also underlie their tumorigenic effects .
 GENE: ERF repressor; GENE: ets family; GENE: gag; GENE: myb; GENE: ets
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: ERF repressor, ets family, gag, myb, ets 
Answer:
 GENE: ERF repressor; GENE: ets family; GENE: gag; GENE: myb; GENE: ets