14524
These kappa B enhancer elements are recognized by a structurally related family of interactive proteins that includes p50 , p65 , and the product of the c-rel protooncogene ( c-Rel ).
 protein: c-Rel; DNA: c-rel protooncogene; DNA: kappa B enhancer elements; protein: p65; protein: p50
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: c-Rel, c-rel protooncogene, kappa B enhancer elements, p65, p50 
Answer:
 protein: c-Rel; DNA: c-rel protooncogene; DNA: kappa B enhancer elements; protein: p65; protein: p50