1672
The most common regimens were 3TC + d4T + nevirapine ( NVP ) ( 54 . 8 % ) , zidovudine ( AZT ) + 3TC + NVP ( 14 . 5 % ) , 3TC + d4T + efavirenz ( EFV ) ( 20 . 1 % ) , and AZT + 3TC + EFV ( 5 . 4 % ) .
 Chemical: 3TC; Chemical: d4T; Chemical: nevirapine; Chemical: NVP; Chemical: zidovudine; Chemical: AZT; Chemical: 3TC; Chemical: NVP; Chemical: 3TC; Chemical: d4T; Chemical: efavirenz; Chemical: EFV; Chemical: AZT; Chemical: 3TC; Chemical: EFV
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: 3TC; Chemical: d4T; Chemical: nevirapine; Chemical: NVP; Chemical: zidovudine; Chemical: AZT; Chemical: 3TC; Chemical: NVP; Chemical: 3TC; Chemical: d4T; Chemical: efavirenz; Chemical: EFV; Chemical: AZT; Chemical: 3TC; Chemical: EFV