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In contrast to the conservationist approach the ecocentric view , associated with John Muir , Henry David Thoreau and William Wordsworth referred to as the preservationist movement .
 person: John Muir; person: Henry David Thoreau; person: William Wordsworth
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 Muir, Henry David Thoreau, William Wordsworth 
Answer:
 person: John Muir; person: Henry David Thoreau; person: William Wordsworth