8766
Characterization of the human elk-1 promoter .
 DNA: elk-1; DNA: human elk-1 promoter
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: elk-1, human elk-1 promoter 
Answer:
 DNA: elk-1; DNA: human elk-1 promoter