13122
This silent film was produced by Mack Sennett and The Keystone Film Company and distributed by Mutual Film Corporation .
 person: Mack Sennett; organization: The Keystone Film Company; organization: Mutual Film Corporation
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: Mack Sennett, The Keystone Film Company, Mutual Film Corporation 
Answer:
 person: Mack Sennett; organization: The Keystone Film Company; organization: Mutual Film Corporation