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John Ruskin , once he married in 1848 , dined at 6pm , which his parents thought " unhealthy " .
 person: John Ruskin
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: John Ruskin 
Answer:
 person: John Ruskin