6533
On 30 July 2009 , PKP S.A. the Polish state railway company served notice to quit on the Museum authorities requiring them to vacate their current location by 31 August 2009 .
 organization: PKP
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: PKP