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Mary Letitia Somerville Bennett ( 9 January 1913 – 1 November 2005 ) was a British academic , best known for her tenure as Principal of St Hilda 's College , Oxford between 1965 and 1980 .
 organization: Somerville Bennett; organization: St Hilda 's College , Oxford
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: Somerville Bennett, St Hilda 's College , Oxford 
Answer:
 organization: Somerville Bennett; organization: St Hilda 's College , Oxford