Problem: Please answer a question about the following article about Elevator:
During up-peak mode (also called moderate incoming traffic), elevator cars in a group are recalled to the lobby to provide expeditious service to passengers arriving at the building, most typically in the morning as people arrive for work or at the conclusion of a lunch-time period. Elevators are dispatched one-by-one when they reach a pre-determined passenger load, or when they have had their doors opened for a certain period of time. The next elevator to be dispatched usually has its hall lantern or a "this car leaving next" sign illuminated to encourage passengers to make maximum use of the available elevator system capacity. Some elevator banks are programmed so that at least one car will always return to the lobby floor and park whenever it becomes free.
Why is a "this car leaving next" sign used?
A: to encourage passengers to make maximum use of the available elevator system capacity
Problem: Please answer a question about the following article about Universal Studios:
"Junior" Laemmle persuaded his father to bring Universal up to date. He bought and built theaters, converted the studio to sound production, and made several forays into high-quality production. His early efforts included the critically mauled part-talkie version of Edna Ferber's novel Show Boat (1929), the lavish musical Broadway (1929) which included Technicolor sequences; and the first all-color musical feature (for Universal), King of Jazz (1930). The more serious All Quiet on the Western Front (1930), won its year's Best Picture Oscar.
In what year was the musical Broadway produced?
A: 1929
Problem: Please answer a question about the following article about Race (human categorization):
The first post-Classical published classification of humans into distinct races seems to be François Bernier's Nouvelle division de la terre par les différents espèces ou races qui l'habitent ("New division of Earth by the different species or races which inhabit it"), published in 1684. In the 18th century the differences among human groups became a focus of scientific investigation. But the scientific classification of phenotypic variation was frequently coupled with racist ideas about innate predispositions of different groups, always attributing the most desirable features to the White, European race and arranging the other races along a continuum of progressively undesirable attributes. The 1735 classification of Carl Linnaeus, inventor of zoological taxonomy, divided the human race Homo sapiens into continental varieties of europaeus, asiaticus, americanus, and afer, each associated with a different humour: sanguine, melancholic, choleric, and phlegmatic, respectively. Homo sapiens europaeus was described as active, acute, and adventurous, whereas Homo sapiens afer was said to be crafty, lazy, and careless.
In what century did differences among human groups become a focus of science?
A: 18th century
Problem: Please answer a question about the following article about American Idol:
Michael Lynche was the lowest vote getter at top nine and was given the Judges' Save. The next week Katie Stevens and Andrew Garcia were eliminated. That week, Adam Lambert was invited back to be a mentor, the first Idol alum to do so. Idol Gives Back returned this season on April 21, 2010, and raised $45 million.
How much money was brought in by the Idol Gives Back special on season nine of American Idol?
A:
$45 million