Problem: Everton F.C.:

Everton were founder members of the Premier League in 1992, but struggled to find the right manager. Howard Kendall had returned in 1990 but could not repeat his previous success, while his successor, Mike Walker, was statistically the least successful Everton manager to date. When former Everton player Joe Royle took over in 1994 the club's form started to improve; his first game in charge was a 2–0 victory over derby rivals Liverpool. Royle dragged Everton clear of relegation, leading the club to the FA Cup for the fifth time in its history, defeating Manchester United 1–0 in the final.

What was the score of Howard Kendall's first game managing Everton?
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A: unanswerable


Problem: Cuban immigrants in the 1960s brought the Cuban sandwich, medianoche, Cuban espresso, and croquetas, all of which have grown in popularity to all Miamians, and have become symbols of the city's varied cuisine. Today, these are part of the local culture, and can be found throughout the city in window cafés, particularly outside of supermarkets and restaurants. Restaurants such as Versailles restaurant in Little Havana is a landmark eatery of Miami. Located on the Atlantic Ocean, and with a long history as a seaport, Miami is also known for its seafood, with many seafood restaurants located along the Miami River, and in and around Biscayne Bay. Miami is also the home of restaurant chains such as Burger King, Tony Roma's and Benihana.
In what decade did Cuban immigrants hide their cuisine to Miami?
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Answer: unanswerable


Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
When Emperor Haile Selassie unilaterally dissolved the Eritrean parliament and annexed the country in 1962, the Eritrean Liberation Front (ELF) waged an armed struggle for independence. The ensuing Eritrean War for Independence went on for 30 years against successive Ethiopian governments until 1991, when the Eritrean People's Liberation Front (EPLF), a successor of the ELF, defeated the Ethiopian forces in Eritrea and helped a coalition of Ethiopian rebel forces take control of the Ethiopian Capital Addis Ababa.
In what city was ELF headquartered?
A: unanswerable


Context and question: The era of mass persecution and execution of heretics under the banner of Christianity came to an end in 1826 with the last execution of a "heretic", Cayetano Ripoll, by the Catholic Inquisition.
Who was the last heretic put to death under the Catholic Inquisition?
Answer: Cayetano Ripoll


Question: In April 2010, Shell announced its intention to divest from downstream business of all African countries except South Africa and Egypt to Vitol and "Helios". In several countries such as Tunisia, protests and strikes broke out. Shell denied rumours of the sellout. Shell continues however upstream activities/extracting crude oil in the oil-rich Niger Delta as well as downstream/commercial activities in South Africa. In June 2013, the company announced a strategic review of its operations in Nigeria, hinting that assets could be divested. In August 2014, the company disclosed it was in the process of finalizing the sale of its interests in four Nigerian oil fields.
Is there an answer to this question: In August 2014, Shell announced it was in the process of doing what?

Answer: finalizing the sale of its interests in four Nigerian oil fields.


Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
Neptune's dark spots are thought to occur in the troposphere at lower altitudes than the brighter cloud features, so they appear as holes in the upper cloud decks. As they are stable features that can persist for several months, they are thought to be vortex structures. Often associated with dark spots are brighter, persistent methane clouds that form around the tropopause layer. The persistence of companion clouds shows that some former dark spots may continue to exist as cyclones even though they are no longer visible as a dark feature. Dark spots may dissipate when they migrate too close to the equator or possibly through some other unknown mechanism.
What do Neptune's dark spots appear as in the cloud decks? 
A:
holes