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.

[EX Q]: Passage: In 1872, Russian Alexander Lodygin invented an incandescent light bulb and obtained a Russian patent in 1874. He used as a burner two carbon rods of diminished section in a glass receiver, hermetically sealed, and filled with nitrogen, electrically arranged so that the current could be passed to the second carbon when the first had been consumed. Later he lived in the USA, changed his name to Alexander de Lodyguine and applied and obtained patents for incandescent lamps having chromium, iridium, rhodium, ruthenium, osmium, molybdenum and tungsten filaments, and a bulb using a molybdenum filament was demonstrated at the world fair of 1900 in Paris.
[EX A]: Who did not patent an incandescent light bulb in 1872?

[EX Q]: Passage: Later, the constitution was amended to state that the citizens of the 16 states had successfully achieved the unity of Germany in free self-determination and that the Basic Law thus applied to the entire German people. Article 23, which had allowed "any other parts of Germany" to join, was rephrased. It had been used in 1957 to reintegrate the Saar Protectorate as the Saarland into the Federal Republic, and this was used as a model for German reunification in 1990. The amended article now defines the participation of the Federal Council and the 16 German states in matters concerning the European Union.
[EX A]: What was amended to signify that Basic Law no longer applied to the German people?

[EX Q]: Passage: In October 2015, TCM announced the launch of the TCM Wineclub, in which they teamed up with Laithwaite to provide a line of mail-order wines from famous vineyards such as famed writer-director-producer Francis Ford Coppola's winery. Wines are available in 3 month subscriptions, and can be selected as reds, whites, or a mixture of both. From the wines chosen, TCM also includes recommended movies to watch with each, such as a "True Grit" wine, to be paired with the John Wayne film of the same name.
[EX A]:
What month and year saw the introduction of True Grit?