10774
An enhancer-blocking element between alpha and delta gene segments within the human T cell receptor alpha/delta locus .
 DNA: enhancer-blocking element; DNA: human T cell receptor alpha/delta locus
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: enhancer-blocking element, human T cell receptor alpha/delta locus 
Answer:
 DNA: enhancer-blocking element; DNA: human T cell receptor alpha/delta locus