83757
Human-powered transport remains popular for reasons of cost-saving , leisure , physical exercise , and environmentalism ; it is sometimes the only type available , especially in underdeveloped or inaccessible regions .
 leisure
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:
 leisure