1753
When all three sites were present, a second complex "a" was detected, which contains an unknown member of the Ets family .
 protein: Ets family
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: Ets family 
Answer:
 protein: Ets family