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In a second sequel , " The Harlem Globetrotters on Gilligan 's Island " ( 1981 ) , villains played by Martin Landau and then-wife Barbara Bain try to take over the island to gain access to a vein of " supremium " , a valuable but volatile fictional element .
 media: The Harlem Globetrotters on Gilligan 's Island; person: Martin Landau; person: Barbara Bain
Please list all entity words in the text that fit the category.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} 
Answer:
 media: The Harlem Globetrotters on Gilligan 's Island; person: Martin Landau; person: Barbara Bain