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Historically Guernsey 's horticultural and greenhouse activities have been more significant than in Jersey , and Guernsey has maintained light industry as a higher proportion of its economy than Jersey .
 Guernsey, Jersey, Guernsey, Jersey
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Guernsey, Jersey, Guernsey, Jersey