Input: Article: Of much greater importance is the division of the city into 62 barrios: neighbourhoods or wards. Many of the city's barriossuch as Sayago, Ituzaingo and Pocitoswere previously geographically separate settlements, later absorbed by the growth of the city. Others grew up around certain industrial sites, including the salt-curing works of Villa del Cerro and the tanneries in Nuevo Paris. Each barrio has its own identity, geographic location and socio-cultural activities. A neighbourhood of great significance is Ciudad Vieja, that was surrounded by a protective wall until 1829. This area contains most important buildings of the colonial era and early decades of independence.

Now answer this question: What surrounded the neighborhood of Ciudad Vieja?

Output: a protective wall

Article: The onset of symptoms in myocardial infarction (MI) is usually gradual, over several minutes, and rarely instantaneous. Chest pain is the most common symptom of acute MI and is often described as a sensation of tightness, pressure, or squeezing. Chest pain due to ischemia (a lack of blood and hence oxygen supply) of the heart muscle is termed angina pectoris. Pain radiates most often to the left arm, but may also radiate to the lower jaw, neck, right arm, back, and upper abdomen, where it may mimic heartburn. Levine's sign, in which a person localizes the chest pain by clenching their fists over their sternum, has classically been thought to be predictive of cardiac chest pain, although a prospective observational study showed it had a poor positive predictive value.

Question: What is the most common symptom of MI?
Ans: Chest pain

Here is a question about this article: ( Dejimon, branded as Digimon: Digital Monsters, stylized as DIGIMON), short for "Digital Monsters" ( Dejitaru Monsuta), is a Japanese media franchise encompassing virtual pet toys, anime, manga, video games, films and a trading card game. The franchise focuses on Digimon creatures, which are monsters living in a "Digital World", a parallel universe that originated from Earth's various communication networks. In many incarnations, Digimon are raised by humans called "Digidestined" or "Tamers", and they team up to defeat evil Digimon and human villains who are trying to destroy the fabric of the Digital world.
What is the answer to this question: What are the people who raise Digimon called?
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So... "Digidestined" or "Tamers"

The problem: Answer a question about this article:
The FBI is organized into functional branches and the Office of the Director, which contains most administrative offices. An executive assistant director manages each branch. Each branch is then divided into offices and divisions, each headed by an assistant director. The various divisions are further divided into sub-branches, led by deputy assistant directors. Within these sub-branches there are various sections headed by section chiefs. Section chiefs are ranked analogous to special agents in charge.
What is a FBI branch divided into?
****
The answer: offices and divisions

Problem: Please answer a question about the following article about Nanjing:
Nanjing first became a state capital in 229 AD, when the state of Eastern Wu founded by Sun Quan during the Three Kingdoms period relocated its capital to Jianye (), the city extended on the basis of Jinling Yi in 211 AD. Although conquered by the Western Jin dynasty in 280, Nanjing and its neighbouring areas had been well cultivated and developed into one of the commercial, cultural and political centers of China during the rule of East Wu. This city would soon play a vital role in the following centuries.
Who founded Eastern Wu?
A: Sun Quan

Question: Read this and answer the question

Dell had a reputation as a company that relied upon supply chain efficiencies to sell established technologies at low prices, instead of being an innovator. By the mid-2000s many analysts were looking to innovating companies as the next source of growth in the technology sector. Dell's low spending on R&D relative to its revenue (compared to IBM, Hewlett Packard, and Apple Inc.)which worked well in the commoditized PC marketprevented it from making inroads into more lucrative segments, such as MP3 players and later mobile devices. Increasing spending on R&D would have cut into the operating margins that the company emphasized. Dell had done well with a horizontal organization that focused on PCs when the computing industry moved to horizontal mix-and-match layers in the 1980s, but by the mid-2000 the industry shifted to vertically integrated stacks to deliver complete IT solutions and Dell lagged far behind competitors like Hewlett Packard and Oracle.

What did Dell rely on that gave it a reputation?
Answer:
supply chain efficiencies