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The brothers got their clay-court campaign off to a slow start by losing in the quarter-finals of Houston to eventual champions Teymuraz Gabashvili and Ričardas Berankis .
 organization: Houston; person: Teymuraz Gabashvili; person: Ričardas Berankis
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: Houston; person: Teymuraz Gabashvili; person: Ričardas Berankis