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Most of these cells have rearranged their heavy-chain locus but not their light chain genes , suggesting that an active v-abl protein interferes with this differentiation step.
 DNA: light chain genes; DNA: heavy-chain locus; protein: v-abl protein
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: light chain genes, heavy-chain locus, v-abl protein 
Answer:
 DNA: light chain genes; DNA: heavy-chain locus; protein: v-abl protein