339874
Many sailing instructions only specify the length of the windward leg and the total course length , but see below on the use of the law of sines , trigonometry table and spreadsheets to calculate the angles and other leg lengths .
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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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