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Kate Wilhelm was a regular contributor to the " Orbit " anthology series , and assisted Damon Knight and other contributors with the anthology 's editing .
 person: Kate Wilhelm; person: Damon Knight
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: Kate Wilhelm, Damon Knight 
Answer:
 person: Kate Wilhelm; person: Damon Knight