65504
The vervet monkey gives a distinct alarm call for each of at least four different predators , and the reactions of other monkeys vary according to the call .
 vervet monkey
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:
 vervet monkey