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Hubert Stanley Middleton ( 1890 – 1959 ) was an cathedral organist , who served at Truro Cathedral and Ely Cathedral before an appointment to Trinity College , Cambridge .
 person: Hubert Stanley Middleton; organization: Trinity College , Cambridge
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:
 person: Hubert Stanley Middleton; organization: Trinity College , Cambridge