94489
One of the earliest examples of genre science fiction that involves a challenging amount of unconventional sexual activity is " Odd John " ( 1935 ) by Olaf Stapledon .
 Odd John, Olaf Stapledon
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:
 Odd John, Olaf Stapledon