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On the night of 11/12 June 1982 , 45 Commando Royal Marines launched a silent night attack against strongly held enemy positions on the craggy hill feature of Two Sisters , ten kilometres to the west of Port Stanley on the island of East Falkland .
 45 Commando Royal Marines, Port Stanley
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 45 Commando Royal Marines, Port Stanley