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In December 2009 , the theater celebrated its fiftieth anniversary with a weekend of panels and performance which featured many prominent alumni , including an " SCTV " reunion show starring Joe Flaherty , Eugene Levy , Andrea Martin , Catherine O'Hara , Harold Ramis , Martin Short , and Dave Thomas .
 media: SCTV; person: Joe Flaherty; person: Eugene Levy; person: Andrea Martin; person: Catherine O'Hara; person: Harold Ramis; person: Martin Short; person: Dave Thomas
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: SCTV, Joe Flaherty, Eugene Levy, Andrea Martin, Catherine O'Hara, Harold Ramis, Martin Short, Dave Thomas 
Answer:
 media: SCTV; person: Joe Flaherty; person: Eugene Levy; person: Andrea Martin; person: Catherine O'Hara; person: Harold Ramis; person: Martin Short; person: Dave Thomas