10291
Our results indicated that the epitope recognized by 18C7 was directly implicated in hormone binding.
 protein: epitope; protein: 18C7
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: epitope, 18C7 
Answer:
 protein: epitope; protein: 18C7