29974
The committee elected Major Mengistu Haile Mariam as its chairman and Major Atnafu Abate as its vice-chairman .
 person: Mengistu Haile Mariam; person: Atnafu Abate
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: Mengistu Haile Mariam, Atnafu Abate 
Answer:
 person: Mengistu Haile Mariam; person: Atnafu Abate