1488
Sexual adventurism , high - risk behavior , and human immunodeficiency virus - 1 seroconversion among the Chicago MACS - CCS cohort , 1984 to 1992 .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 None