101012
In puppy play , or pup play , at least one of the participants acts out canine mannerisms and behaviors , which is sometimes associated with leather culture .
 canine
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:
 canine