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Early public art included a statue of Quetzalcoatl ( the plumed serpent ) downtown , controversial in its planning because some called it pagan , and controversial in its implementation because many felt that the final statue by Robert Graham did not look like a winged serpent , and was more noted for its expense than its aesthetics .
 mythical figure: Quetzalcoatl; person: Robert Graham
Please list all entity words in the text that fit the category.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} 
Answer:
 mythical figure: Quetzalcoatl; person: Robert Graham