194347
The channel , which is a spin-off from the UK version of TCM , focuses mainly on the bigger films from the MGM and Warner film archives including Citizen Kane , The Wizard of Oz , Casablanca , North by Northwest and Meet Me in St. Louis , among others .
 organization: MGM; organization: Warner
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: MGM, Warner 
Answer:
 organization: MGM; organization: Warner