9920
The bovine papillomavirus E2 protein can inhibit the proliferation of HT - 3 cells , a p53 - negative cervical carcinoma cell line containing integrated human papillomavirus type 30 DNA .
 GENE: bovine papillomavirus E2 protein; GENE: p53
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: bovine papillomavirus E2 protein, p53 
Answer:
 GENE: bovine papillomavirus E2 protein; GENE: p53