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The film was directed by Edward L. Cahn , and stars Richard Denning , Joan Taylor , and Mae Marsh .
 person: Edward L. Cahn; person: Richard Denning; person: Joan Taylor; person: Mae Marsh
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: Edward L. Cahn, Richard Denning, Joan Taylor, Mae Marsh 
Answer:
 person: Edward L. Cahn; person: Richard Denning; person: Joan Taylor; person: Mae Marsh