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Chalton is a village and civil parish in the Central Bedfordshire district of Bedfordshire , England , immediately north of the Luton / Dunstable conurbation and bounded to the east by the M1 motorway and the Midland Main Line railway line .
 Central Bedfordshire, Bedfordshire, England, Luton, Dunstable
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Central Bedfordshire, Bedfordshire, England, Luton, Dunstable