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At the BMW Open the pair defeated the top seeds Raven Klaasen and Eric Butorac in the semi-finals before defeating fellow countrymen Colin Fleming and Ross Hutchins to win their first title of the year .
 BMW Open, Raven Klaasen, Eric Butorac, Colin Fleming, Ross Hutchins
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 BMW Open, Raven Klaasen, Eric Butorac, Colin Fleming, Ross Hutchins