5270
These results demonstrate that the guinea pig provides a useful model to study the role of Ad5 infection in chronic airway inflammation .
 None
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:  
Answer:
 None