13436
In contrast, v-myb reduces MRP14 promoter activity .
 DNA: MRP14 promoter; protein: MRP14; protein: v-myb
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: MRP14 promoter, MRP14, v-myb 
Answer:
 DNA: MRP14 promoter; protein: MRP14; protein: v-myb