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Leading the campaign was Usama ibn Zayd , whose father , Muhammad 's erstwhile adopted son Zayd ibn Harithah , had been killed in the earlier conflict .
 person: Usama ibn Zayd; person: Muhammad; person: Zayd ibn Harithah
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: Usama ibn Zayd, Muhammad, Zayd ibn Harithah 
Answer:
 person: Usama ibn Zayd; person: Muhammad; person: Zayd ibn Harithah