11478
In contrast, C3H mice inoculated with wild-type Ad recognized an epitope mapping within E1B . When inoculated twice with Ad vectors lacking both E1A and E1B , no immunorecessive epitopes were recognized.
 DNA: E1B; protein: immunorecessive epitopes; DNA: E1A; DNA: E1B
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: E1B, immunorecessive epitopes, E1A, E1B 
Answer:
 DNA: E1B; protein: immunorecessive epitopes; DNA: E1A; DNA: E1B