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Oliver St John was twice married to relations of Oliver Cromwell .
 person: Oliver; person: Oliver Cromwell
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: Oliver, Oliver Cromwell 
Answer:
 person: Oliver; person: Oliver Cromwell