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The Rubha an Dùnain peninsula on the island of Skye provides an example from the 2nd or 3rd millennium BC .
 Rubha an Dùnain, Skye
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Rubha an Dùnain, Skye