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However , the duo did not manage to win their first round match against Eric Butorac and Raven Klaasen , losing 4 – 6 , 5 – 7 .
 person: Eric Butorac; person: Raven Klaasen
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 person: Eric Butorac; person: Raven Klaasen