888
Exposure to hepatitis B virus in the general population of Hisayama , Japan : significance of isolated antibody to hepatitis B surface antigen in general population .
 GENE: hepatitis B surface antigen
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 
Answer:
 GENE: hepatitis B surface antigen