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On the M25 for example , distances are referenced to a point near Junction 31 even though the section of the ring road between Junction 31 ( 186.6 km ) and Junction 1a ( 5.7 km ) is the A282 , not the M25 .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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