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Clarke was the son of William Clarke and he played for the All-England Eleven , founded by his father , from 1851 until his retirement .
 person: Clarke; person: William Clarke
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: Clarke, William Clarke 
Answer:
 person: Clarke; person: William Clarke