[Q]: Extract the answer to the question from the following context. Question: Where does the 15th season rank for Keith Urban in terms of judging? Context: Fox announced on May 11, 2015 that the fifteenth season would be the final season of American Idol; as such, the season is expected to have an additional focus on the program's alumni. Ryan Seacrest returns as host, with Harry Connick Jr., Keith Urban, and Jennifer Lopez all returning for their respective third, fourth, and fifth seasons as judges.
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[A]: fourth

[Q]: Extract the answer to the question from the following context. Question: What was done in the 16th century? Context: On 3 May 1505 King Alexander I Jagiellon granted the Act of "Nihil novi nisi commune consensu" (Latin: "I accept nothing new except by common consent"). This forbade the king to pass any new law without the consent of the representatives of the nobility, in Sejm and Senat assembled, and thus greatly strengthened the nobility's political position. Basically, this act transferred legislative power from the king to the Sejm. This date commonly marks the beginning of the First Rzeczpospolita, the period of a szlachta-run "Commonwealth".
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[A]: King Alexander I Jagiellon granted the Act of "Nihil novi nisi commune consensu"

[Q]: Extract the answer to the question from the following context. Question: What is found in CDs that the candidum in Belize consumes? Context: CDs are susceptible to damage during handling and from environmental exposure. Pits are much closer to the label side of a disc, enabling defects and contaminants on the clear side to be out of focus during playback. Consequently, CDs are more likely to suffer damage on the label side of the disc. Scratches on the clear side can be repaired by refilling them with similar refractive plastic or by careful polishing. The edges of CDs are sometimes incompletely sealed, allowing gases and liquids to corrode the metal reflective layer and to interfere with the focus of the laser on the pits. The fungus Geotrichum candidum, found in Belize, has been found to consume the polycarbonate plastic and aluminium found in CDs.
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[A]: The fungus Geotrichum candidum, found in Belize, has been found to consume the polycarbonate plastic and aluminium found in CDs

[Q]: Extract the answer to the question from the following context. Question: Where do the Achaeans originate? Context: Homer uses the terms Achaeans and Danaans () as a generic term for Greeks in Iliad, and they were probably a part of the Mycenean civilization. The names Achaioi and Danaoi seem to be pre-Dorian belonging to the people who were overthrown. They were forced to the region that later bore the name Achaea after the Dorian invasion. In the 5th century BC, they were redefined as contemporary speakers of Aeolic Greek which was spoken mainly in Thessaly, Boeotia and Lesbos. There are many controversial theories on the origin of the Achaeans. According to one view, the Achaeans were one of the fair-headed tribes of upper Europe, who pressed down over the Alps during the early Iron age (1300 BC) to southern Europe. Another theory suggests that the Peloponnesian Dorians were the Achaeans. These theories are rejected by other scholars who, based on linguistic criteria, suggest that the Achaeans were mainland pre-Dorian Greeks. There is also the theory that there was an Achaean ethnos that migrated from Asia minor to lower Thessaly prior to 2000 BC. Some Hittite texts mention a nation lying to the west called Ahhiyava or Ahhiya. Egyptian documents refer to Ekwesh, one of the groups of sea peoples who attached Egypt during the reign of Merneptah (1213-1203 BCE), who may have been Achaeans.
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[A]:
mainland pre-Dorian Greeks