60881
He had been an early aviation enthusiast ; at the age of 16 in the fall of 1908 , he convinced his mother that he needed to witness the Fort Myer trials of the Wright Flyer .
 Fort Myer, Wright Flyer
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Fort Myer, Wright Flyer