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The University Library joined the University 's Computing and Audio-visual Units in 1995 to form the Information Service , University of Wales Aberystwyth .
 organization: Wales Aberystwyth
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: Wales Aberystwyth 
Answer:
 organization: Wales Aberystwyth