7671
Purified P7 could be assembled onto particles lacking P7 and particles lacking both P2 ( RNA polymerase ) and P7 .
 GENE: Purified P7; GENE: P7; GENE: P2; GENE: RNA polymerase; GENE: P7
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: Purified P7, P7, P2, RNA polymerase, P7 
Answer:
 GENE: Purified P7; GENE: P7; GENE: P2; GENE: RNA polymerase; GENE: P7