6538
In chronic bronchitis , few cells were GCRbeta -positive and their numbers did not differ significantly from normal control subjects .
 cell type: GCRbeta -positive; protein: GCRbeta
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: GCRbeta -positive, GCRbeta 
Answer:
 cell type: GCRbeta -positive; protein: GCRbeta