This task is about creating an unanswerable question based on a given passage. Construct a question that looks relevant to the given context but is unanswerable. Following are a few suggestions about how to create unanswerable questions:
(i) create questions which require satisfying a constraint that is not mentioned in the passage
(ii) create questions which require information beyond what is provided in the passage in order to answer
(iii) replace an existing entity, number, date mentioned in the passage with other entity, number, date and use it in the question
(iv) create a question which is answerable from the passage and then replace one or two words by their antonyms or insert/remove negation words to make it unanswerable.
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Question: Passage: The first union was built on campus in 1926 as a campus community center. The unions are still the "living rooms" of campus today and include three locations – the Kansas Union and Burge Union at the Lawrence Campus and Jayhawk Central at the Edwards Campus. The KU Memorial Unions Corporation manages the KU Bookstore (with seven locations). The KU Bookstore is the official bookstore of KU. The Corporation also includes KU Dining Services, with more than 20 campus locations, including The Market (inside the Kansas Union) and The Underground (located in Wescoe Hall). The KU Bookstore and KU Dining Services are not-for-profit, with proceeds going back to support student programs, such as Student Union Activities.

Answer: When was KU's last student union constructed?


Question: Passage: Land-based steam engines could exhaust much of their steam, as feed water was usually readily available. Prior to and during World War I, the expansion engine dominated marine applications where high vessel speed was not essential. It was however superseded by the British invention steam turbine where speed was required, for instance in warships, such as the dreadnought battleships, and ocean liners. HMS Dreadnought of 1905 was the first major warship to replace the proven technology of the reciprocating engine with the then-novel steam turbine.[citation needed]

Answer: The frequent availability of what substance allowed land-based steam engines to exhaust a great deal of battleships?


Question: Passage: In addition to Spider-Man and the Fantastic Four, Marvel began publishing further superhero titles featuring such heroes and antiheroes as the Hulk, Thor, Ant-Man, Iron Man, the X-Men, Daredevil, the Inhumans, Black Panther, Doctor Strange, Captain Marvel and the Silver Surfer, and such memorable antagonists as Doctor Doom, Magneto, Galactus, Loki, the Green Goblin, and Doctor Octopus, all existing in a shared reality known as the Marvel Universe, with locations that mirror real-life cities such as New York, Los Angeles and Chicago.

Answer:
What fictional universe was Los Angeles based on?