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From the glory of participating in the mission , which fulfilled President John Kennedy 's challenge to reach the moon before the decade ended , Aldrin plummeted in his career with the Air Force , having lost both his purpose and his direction , while additionally becoming a public-relations tool for NASA and their seemingly relentless and endless world tour .
 person: Aldrin
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: Aldrin 
Answer:
 person: Aldrin