2819
A further 11 states & mdash ; Austria , Colombia , Cuba , Denmark , Guatemala , Hungary , North Korea , Papua New Guinea , Slovakia , Switzerland , and Turkey & mdash ; have signed but not yet ratified it .
 Austria, Colombia, Cuba, Denmark, Guatemala, Hungary, North Korea, Papua New Guinea, Slovakia, Switzerland, Turkey
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Austria, Colombia, Cuba, Denmark, Guatemala, Hungary, North Korea, Papua New Guinea, Slovakia, Switzerland, Turkey