10383
CD40 is a functional activation antigen and B7-independent T cell costimulatory molecule on normal human lung fibroblasts .
 protein: B7-independent T cell costimulatory molecule; protein: CD40; protein: activation antigen; cell type: human lung fibroblasts
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: B7-independent T cell costimulatory molecule, CD40, activation antigen, human lung fibroblasts 
Answer:
 protein: B7-independent T cell costimulatory molecule; protein: CD40; protein: activation antigen; cell type: human lung fibroblasts