161988
A series of riots involving some members of the Japanese and Indonesian ( mainly from Kupang in Timor ) communities took place in Broome , a town in northern Western Australia in December 1920 .
 Kupang, Broome, Western Australia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Kupang, Broome, Western Australia