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In 1855 he won Silver Goblets at Henley Royal Regatta partnering A. A. Casamajor and beating W F Short and E Cadogan in the final .
 Henley Royal Regatta, A. A. Casamajor
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Henley Royal Regatta, A. A. Casamajor