6880
These observations suggest possible mechanisms by which Id3 overexpression can differentially affect development of pre-T cells into TCR alpha beta and gamma delta cells .
 cell type: pre-T cells; protein: Id3
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: pre-T cells, Id3 
Answer:
 cell type: pre-T cells; protein: Id3