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` ` It ' s kind of hard climbing a tree with a gun , ' ' Rob Williams said , as he and a hunting partner , Art Bush , waited on a recent morning in a conventional earthbound hunting blind about 20 miles west of Detroit .
 geographical social political: Detroit; person: Rob Williams; person: he; person: a hunting partner; person: Art Bush; facility: a conventional earthbound hunting blind about 20 miles west of Detroit; weapon: a gun
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 geographical social political: Detroit; person: Rob Williams; person: he; person: a hunting partner; person: Art Bush; facility: a conventional earthbound hunting blind about 20 miles west of Detroit; weapon: a gun