1001
HSF3 is constitutively expressed in the erythroblast cell line HD6 , the lymphoblast cell line MSB , and embryo fibroblasts , and yet its DNA-binding activity is induced only upon exposure of HD6 cells to heat shock.
 cell line: embryo fibroblasts; cell line: lymphoblast cell line MSB; protein: HSF3; cell line: erythroblast cell line HD6
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 cell line: embryo fibroblasts; cell line: lymphoblast cell line MSB; protein: HSF3; cell line: erythroblast cell line HD6