Here is a question about this article: In the far north, there is a division between Berber-descendent Tuareg nomad populations and the darker-skinned Bella or Tamasheq people, due the historical spread of slavery in the region. An estimated 800,000 people in Mali are descended from slaves. Slavery in Mali has persisted for centuries. The Arabic population kept slaves well into the 20th century, until slavery was suppressed by French authorities around the mid-20th century. There still persist certain hereditary servitude relationships, and according to some estimates, even today approximately 200,000 Malians are still enslaved.
What is the answer to this question: What group of people were known to keep Malian salves into the 20th century?
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So... Arabic population


The problem: Answer a question about this article:
Madonna experimented with more folk and acoustic music in Music (2000) and American Life (2003). A change was noted in the content of the songs in Music, with most of them being simple love songs, but with an underlying tone of melancholy. According to Q magazine, American Life was characterized by "a thumping techno rhythm, liquid keyboard lines, an acoustic chorus and a bizarre Madonna rap." The "conventional rock songs" of the album were suffused with dramatic lyrics about patriotism and composition, including the appearance of a gospel choir in the song "Nothing Fails". Madonna returned to pure dance songs with Confessions on a Dance Floor, infusing club beats and retro music with the lyrics about paradoxical metaphors and reference to her earlier works. Madonna moved to urban direction with Hard Candy (2008), mixing R&B and hip hop music with dance tunes. MDNA (2012) largely focused in electronic dance music, which she has embraced since Ray of Light.
Most of the songs in Music are what type of songs?
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The answer: simple love songs,


Problem: Please answer a question about the following article about Infrared:
Heat is energy in transit that flows due to temperature difference. Unlike heat transmitted by thermal conduction or thermal convection, thermal radiation can propagate through a vacuum. Thermal radiation is characterized by a particular spectrum of many wavelengths that is associated with emission from an object, due to the vibration of its molecules at a given temperature. Thermal radiation can be emitted from objects at any wavelength, and at very high temperatures such radiations are associated with spectra far above the infrared, extending into visible, ultraviolet, and even X-ray regions (i.e., the solar corona). Thus, the popular association of infrared radiation with thermal radiation is only a coincidence based on typical (comparatively low) temperatures often found near the surface of planet Earth.
What type of heat transmission can propagate through a vacuum?
A: thermal radiation


Question: Read this and answer the question

The Martorana church (decorated around 1143) looked originally even more Byzantine although important parts were later demolished. The dome mosaic is similar to that of the Cappella Palatina, with Christ enthroned in the middle and four bowed, elongated angels. The Greek inscriptions, decorative patterns, and evangelists in the squinches are obviously executed by the same Greek masters who worked on the Cappella Palatina. The mosaic depicting Roger II of Sicily, dressed in Byzantine imperial robes and receiving the crown by Christ, was originally in the demolished narthex together with another panel, the Theotokos with Georgios of Antiochia, the founder of the church.

Who is receiving a crown from christ in the mosaic originally in the narthex?
Answer: Roger II


Problem: The person or organization submits a HCP and if approved by the agency (FWS or NMFS), will be issued an Incidental Take Permit (ITP) which allows a certain number of "takes" of the listed species. The permit may be revoked at any time and can allow incidental takes for varying amounts of time. For instance, the San Bruno Habitat Conservation Plan/ Incidental Take Permit is good for 30 years and the Wal-Mart store (in Florida) permit expires after one year. Because the permit is issued by a federal agency to a private party, it is a federal action-which means other federal laws can apply, such as the National Environmental Policy Act or NEPA. A notice of the permit application action is published in the Federal Register and a public comment period of 30 to 90 days begins.
How long does the public have to comment on ITP applications?
The answer is the following: 30 to 90 days


Input: Article: A reference simulation software implementation, written in the C language and later known as ISO 11172-5, was developed (in 1991–1996) by the members of the ISO MPEG Audio committee in order to produce bit compliant MPEG Audio files (Layer 1, Layer 2, Layer 3). It was approved as a committee draft of ISO/IEC technical report in March 1994 and printed as document CD 11172-5 in April 1994. It was approved as a draft technical report (DTR/DIS) in November 1994, finalized in 1996 and published as international standard ISO/IEC TR 11172-5:1998 in 1998. The reference software in C language was later published as a freely available ISO standard. Working in non-real time on a number of operating systems, it was able to demonstrate the first real time hardware decoding (DSP based) of compressed audio. Some other real time implementation of MPEG Audio encoders were available for the purpose of digital broadcasting (radio DAB, television DVB) towards consumer receivers and set top boxes.

Now answer this question: Which language was the reference simulation software written in?

Output:
C