Input: Article: Guinea-Bissau was once part of the kingdom of Gabu, part of the Mali Empire; parts of this kingdom persisted until the 18th century. Other parts of the territory in the current country were considered by the Portuguese as part of their empire. Portuguese Guinea was known as the Slave Coast, as it was a major area for the exportation of African slaves by Europeans to the western hemisphere. Previously slaves had been traded by Arabs north to the northern part of Africa and into the Middle East.

Now answer this question: Who traded slaves into the Middle East?

Output: Arabs

Input: Article: New Haven has a variety of museums, many of them associated with Yale. The Beinecke Rare Book and Manuscript Library features an original copy of the Gutenberg Bible. There is also the Connecticut Children's Museum; the Knights of Columbus museum near that organization's world headquarters; the Peabody Museum of Natural History; the Yale University Collection of Musical Instruments; the Eli Whitney Museum (across the town line in Hamden, Connecticut, on Whitney Avenue); the Yale Center for British Art, which houses the largest collection of British art outside the U.K., and the Yale University Art Gallery, the nation's oldest college art museum.[citation needed] New Haven is also home to the New Haven Museum and Historical Society on Whitney Avenue, which has a library of many primary source treasures dating from Colonial times to the present.

Now answer this question: What New Haven landmark serves as the nation's oldest college art museum?

Output: Yale University Art Gallery

Input: Article: Originating as a popular form of entertainment in 19th-century Europe and later as a sideshow exhibition in North American traveling carnivals and vaudeville halls, professional wrestling grew into a standalone genre of entertainment with many diverse variations in cultures around the globe, and is now considered a multimillion-dollar entertainment industry. While it has greatly declined in Europe, in North America it has experienced several different periods of prominent cultural popularity during its century and a half of existence. The advent of television gave professional wrestling a new outlet, and wrestling (along with boxing) was instrumental in making pay-per-view a viable method of content delivery.

Now answer this question: What part of the world has wrestling become less popular in?

Output:
it has greatly declined in Europe