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The writer , transcendentalist , and philosopher Henry David Thoreau lived on the northern shore of the pond for two years starting in the summer of 1845 .
 person: Henry David Thoreau
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Henry David Thoreau 
Answer:
 person: Henry David Thoreau