Q:I want to test the ability of students to read a passage and answer questions about it. Could you please come up with a good question for the passage "Countries in the top quartile of HDI ("very high human development" group) with a missing IHDI: New Zealand, Singapore, Hong Kong, Liechtenstein, Brunei, Qatar, Saudi Arabia, Andorra, United Arab Emirates, Bahrain, Cuba, and Kuwait."?
A:
HDI group consist of what?