Premise: Dubai ( [ duːˈbaɪ ] ; دبي , Gulf pronunciation : [ dʊˈbɑj ] ) is the largest and most populous city in the United Arab Emirates ( UAE ) . Dubai emerged as a global city and business hub of the Middle East . The city has become iconic for its skyscrapers and high-rise buildings , in particular the world 's tallest building , the Burj Khalifa . , Dubai was the 22nd most expensive city in the world and the most expensive city in the Middle East .
Hypothesis: Dubai is a city.
Label: ENTAILMENT