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In a 1997 item in The Guardian , about the introduction of the 400th traffic enforcement camera in London , it was stated that the ABD was set up in 1992 , the year of the introduction of the first Gatso camera in London , " to fight the spread of Gatso cameras " .
 The Guardian
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 The Guardian