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IronMQ is on multiple clouds including AWS and Rackspace and provides high availability and message persistence by distributing and replicating components across multiple cloud zones to eliminate single points of failure .
 organization: Rackspace
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: Rackspace 
Answer:
 organization: Rackspace