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He had previously been a youth player at Reading and Southampton football clubs but quickly realised that he was unlikely to become a professional footballer .
 organization: Reading; organization: Southampton
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: Reading, Southampton 
Answer:
 organization: Reading; organization: Southampton