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The resulting occupancy displays strong similarities with the one observed in the MHC class II-constitutive B cells , represented by both the Burkitt lymphoma line Raji and normal tonsil- derived B cells .
 normal tonsil- derived B cells, Burkitt lymphoma line Raji, MHC class II-constitutive B cells
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 normal tonsil- derived B cells, Burkitt lymphoma line Raji, MHC class II-constitutive B cells