305896
Controversy Nigerian clinical trial In 1996 , during a meningitis epidemic in Kano , Nigeria , the then-untested drug was administered to approximately 100 infected children .
 location: Kano; location: Nigeria
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Kano, Nigeria 
Answer:
 location: Kano; location: Nigeria