2514
We report twin neonates who were born prematurely at 32 weeks of gestation to a mother with human immunodeficiency virus infection .
 Disease: human immunodeficiency virus infection
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: human immunodeficiency virus infection 
Answer:
 Disease: human immunodeficiency virus infection