Problem: Please answer a question about the following article about Catalan language:
Catalan shares many traits with its neighboring Romance languages. However, despite being mostly situated in the Iberian Peninsula, Catalan differs more from Iberian Romance (such as Spanish and Portuguese) in terms of vocabulary, pronunciation, and grammar than from Gallo-Romance (Occitan, French, Gallo-Italic languages, etc.). These similarities are most notable with Occitan.
Besides vocabulary and grammar, what other diffinence is there from other similar area languages?
A: pronunciation

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When endothermy first appeared in the evolution of mammals is uncertain. Modern monotremes have lower body temperatures and more variable metabolic rates than marsupials and placentals, but there is evidence that some of their ancestors, perhaps including ancestors of the therians, may have had body temperatures like those of modern therians. Some of the evidence found so far suggests that Triassic cynodonts had fairly high metabolic rates, but it is not conclusive. For small animals, an insulative covering like fur is necessary for the maintenance of a high and stable body temperature.

Which group of animal has a lower body temperature that marsupials and placentals?
Answer: monotremes

Problem: Bitumen was the nemesis of many artists during the 19th century. Although widely used for a time, it ultimately proved unstable for use in oil painting, especially when mixed with the most common diluents, such as linseed oil, varnish and turpentine. Unless thoroughly diluted, bitumen never fully solidifies and will in time corrupt the other pigments with which it comes into contact. The use of bitumen as a glaze to set in shadow or mixed with other colors to render a darker tone resulted in the eventual deterioration of many paintings, for instance those of Delacroix. Perhaps the most famous example of the destructiveness of bitumen is Theodore Gericault's Raft of the Medusa (18181819), where his use of bitumen caused the brilliant colors to degenerate into dark greens and blacks and the paint and canvas to buckle.
What did even limited use of bitumen do to damage paintings?
The answer is the following: deterioration

On September 30, 1989, thousands of Belorussians, denouncing local leaders, marched through Minsk to demand additional cleanup of the 1986 Chernobyl disaster site in Ukraine. Up to 15,000 protesters wearing armbands bearing radioactivity symbols and carrying the banned red-and-white Belorussian national flag filed through torrential rain in defiance of a ban by local authorities. Later, they gathered in the city center near the government's headquarters, where speakers demanded resignation of Yefrem Sokolov, the republic's Communist Party leader, and called for the evacuation of half a million people from the contaminated zones.
When did the Chernobyl disaster happen?
1986

Input: Muammar Gaddafi
Libya's economy witnessed increasing privatization; although rejecting the socialist policies of nationalized industry advocated in The Green Book, government figures asserted that they were forging "people's socialism" rather than capitalism. Gaddafi welcomed these reforms, calling for wide-scale privatization in a March 2003 speech. In 2003, the oil industry was largely sold to private corporations, and by 2004, there was $40 billion of direct foreign investment in Libya, a sixfold rise over 2003. Sectors of Libya's population reacted against these reforms with public demonstrations, and in March 2006, revolutionary hard-liners took control of the GPC cabinet; although scaling back the pace of the changes, they did not halt them. In 2010, plans were announced that would have seen half the Libyan economy privatized over the following decade. While there was no accompanying political liberalization, with Gaddafi retaining predominant control, in March 2010, the government devolved further powers to the municipal councils. Rising numbers of reformist technocrats attained positions in the country's governance; best known was Gaddafi's son and heir apparent Saif al-Islam Gaddafi, who was openly critical of Libya's human rights record. He led a group who proposed the drafting of the new constitution, although it was never adopted, and in October 2009 was appointed to head the PSLC. Involved in encouraging tourism, Saif founded several privately run media channels in 2008, but after criticising the government they were nationalised in 2009. In October 2010, Gaddafi apologized to African leaders on behalf of Arab nations for their involvement in the African slave trade.

According to the plan of 2010, what fraction of Libya's economy was intended to be privatized?
Output: half

Problem: Please answer a question about the following article about Elevator:
Some skyscraper buildings and other types of installation feature a destination operating panel where a passenger registers their floor calls before entering the car. The system lets them know which car to wait for, instead of everyone boarding the next car. In this way, travel time is reduced as the elevator makes fewer stops for individual passengers, and the computer distributes adjacent stops to different cars in the bank. Although travel time is reduced, passenger waiting times may be longer as they will not necessarily be allocated the next car to depart. During the down peak period the benefit of destination control will be limited as passengers have a common destination.
What is one benefit of a "destination operating panel"
A:
travel time is reduced as the elevator makes fewer stops for individual passengers