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Departing Montecelio on the evening of 3 July , they flew over Sardinia overnight , and then Gibraltar early the next morning .
 Montecelio, Sardinia, Gibraltar
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Montecelio, Sardinia, Gibraltar