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Dérailleur gears and hand-operated Bowden cable-pull brakes were also developed during these years , but were only slowly adopted by casual riders .
 organization: Bowden
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: Bowden 
Answer:
 organization: Bowden