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Their work led to the design initiatives of noted landscape architects Charles Eliot and Arthur Shurcliff , both of whom had apprenticed with Frederick Law Olmsted and Guy Lowell .
 person: Charles Eliot; person: Arthur Shurcliff; person: Frederick Law Olmsted; person: Guy Lowell
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Charles Eliot; person: Arthur Shurcliff; person: Frederick Law Olmsted; person: Guy Lowell