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The 230-acre parcel was set in a low-lying area , which Putnam hoped would be conserved as a botanical laboratory due to the many species of trees and plants found there .
 person: Putnam
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: Putnam