4657
They finished in 3rd Place in Singapore , after Rovilson faltered at the final task , which is a roadblock , despite being the first to commence the task .
 Singapore, Rovilson
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Singapore, Rovilson