5891
Eleven patients tested positive for the hepatitis B surface antigen ( HBsAg ) .
 GENE: hepatitis B surface antigen; GENE: HBsAg
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: hepatitis B surface antigen, HBsAg 
Answer:
 GENE: hepatitis B surface antigen; GENE: HBsAg