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also drills take place before sailors get on to any ship , before any deployment , usually twice a day , they ' re practicing man overboard drills , knowing where to go , where to report to if indeed a man overboard takes place and as the deployment begins , those wane off , but they know where to go quickly .
 sailors, they, man overboard, man overboard, they, any ship
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 sailors, they, man overboard, man overboard, they, any ship