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In January 2009 , he signed for Conference side Grays Athletic on loan until the end of the season , where he made nineteen league appearances , scoring once and helping them avoid relegation .
 organization: Grays Athletic
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: Grays Athletic 
Answer:
 organization: Grays Athletic