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Railways built with the different gauges met for the first time at Gloucester in 1844 , and although an inconvenience to passengers , this became a serious problem for goods , with delays and packages being lost at Gloucester .
 Gloucester, Gloucester
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Gloucester, Gloucester