13282
Variant forms encompassed ER with deletions of exons 2 , 5 and 7 .
 protein: ER
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: ER 
Answer:
 protein: ER