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Another relic of " Civilization " was the nature of combat where a military unit from earlier civilization periods could remain in play through modern times , gaining combat bonuses due to veteran proficiency , leading to these primitive units easily beating out modern technology against all common sense , with the common example of a veteran phalanx unit able to fend off a battleship .
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Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
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