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We examined by northern hybridization the expression of Id2 and Id3 mRNA in human leukemia/lymphoma lines and patient samples , as well as resting and activated normal human lymphocytes from peripheral blood ( PBL ).
 cell type: PBL; cell line: activated normal human lymphocytes; cell line: human leukemia/lymphoma lines
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 type: PBL; cell line: activated normal human lymphocytes; cell line: human leukemia/lymphoma lines