8741
We provide evidence that several NF-kappaB complexes are constitutively found in the nuclei of thymocytes either freshly isolated from the thymus or maintained in coculture with autologous or heterologous TEC .
 protein: NF-kappaB; cell type: TEC; cell type: thymocytes; protein: NF-kappaB complexes
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: NF-kappaB, TEC, thymocytes, NF-kappaB complexes 
Answer:
 protein: NF-kappaB; cell type: TEC; cell type: thymocytes; protein: NF-kappaB complexes