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Chukwuemeka Chikelu is a Nigeria n lawyer and politician who was a National Representative from Anambra State ( 1999 – 2003 ) , and then was Minister of Information and National Orientation during the second term of President Olusegun Obasanjo .
 person: Chukwuemeka Chikelu; location: Nigeria; location: Anambra State; person: Olusegun Obasanjo
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: Chukwuemeka Chikelu, Nigeria, Anambra State, Olusegun Obasanjo 
Answer:
 person: Chukwuemeka Chikelu; location: Nigeria; location: Anambra State; person: Olusegun Obasanjo