50329
The black caiman and American alligator are the only members of the alligator family that pose the same danger to humans as the larger species of the crocodile family .
 American alligator, crocodile
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:
 American alligator, crocodile