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In 1950 he was invited by Rear-Admiral Charles Lambe to be a guest of the Royal Navy Home Fleet on its spring cruise through the waters where the Battle of Trafalgar , ( Nelson 's final battle ) had been fought .
 person: Charles Lambe; organization: Royal Navy Home Fleet; person: Nelson
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: Charles Lambe, Royal Navy Home Fleet, Nelson 
Answer:
 person: Charles Lambe; organization: Royal Navy Home Fleet; person: Nelson