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In the 1990s it purchased double-deck Denning Landseer coaches , some second-hand .
 organization: Denning Landseer
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: Denning Landseer 
Answer:
 organization: Denning Landseer