100366
A monkey with blonde hair ( monkeys are often featured as background characters or library patrons in this series ) opens a pop-up book which presents a zany musical performance by monkeys who sing in operatic voices .
 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:
 monkey