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musculin : a murine basic helix-loop-helix transcription factor gene expressed in embryonic skeletal muscle .
 DNA: musculin; DNA: murine basic helix-loop-helix transcription factor gene
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: musculin, murine basic helix-loop-helix transcription factor gene 
Answer:
 DNA: musculin; DNA: murine basic helix-loop-helix transcription factor gene