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Sky News ' Foreign Affairs Editor Tim Marshall often contributed material to the programme , and on occasion hosted during Rubin 's absence .
 person: Tim Marshall; person: Rubin
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: Tim Marshall, Rubin 
Answer:
 person: Tim Marshall; person: Rubin