Problem: Please answer a question about the following article about 2008 Summer Olympics torch relay:

China: In China, the torch was first welcomed by Politburo Standing Committee member Zhou Yongkang and State Councilor Liu Yandong. It was subsequently passed onto CPC General Secretary Hu Jintao. A call to boycott French hypermart Carrefour from May 1 began spreading through mobile text messaging and online chat rooms amongst the Chinese over the weekend from April 12, accusing the company's major shareholder, the LVMH Group, of donating funds to the Dalai Lama. There were also calls to extend the boycott to include French luxury goods and cosmetic products. According to the Washington Times on April 15, however, the Chinese government was attempting to "calm the situation" through censorship: "All comments posted on popular Internet forum Sohu.com relating to a boycott of Carrefour have been deleted." Chinese protesters organized boycotts of the French-owned retail chain Carrefour in major Chinese cities including Kunming, Hefei and Wuhan, accusing the French nation of pro-secessionist conspiracy and anti-Chinese racism. Some burned French flags, some added Nazism's Swastika to the French flag, and spread short online messages calling for large protests in front of French consulates and embassy. The Carrefour boycott was met with anti-boycott demonstrators who insisted on entering one of the Carrefour stores in Kunming, only to be blocked by boycotters wielding large Chinese flags and hit by water bottles. The BBC reported that hundreds of people demonstrated in Beijing, Wuhan, Hefei, Kunming and Qingdao.
Where were anti-protesters blocked from entering a Carrefour store with Chinese flags?
A: Kunming
Problem: Please answer a question about the following article about Samurai:
Following the Battle of Hakusukinoe against Tang China and Silla in 663 AD that led to a Japanese retreat from Korean affairs, Japan underwent widespread reform. One of the most important was that of the Taika Reform, issued by Prince Naka no Oe (Emperor Tenji) in 646 AD. This edict allowed the Japanese aristocracy to adopt the Tang dynasty political structure, bureaucracy, culture, religion, and philosophy. As part of the Taiho Code, of 702 AD, and the later Yoro Code, the population was required to report regularly for census, a precursor for national conscription. With an understanding of how the population was distributed, Emperor Mommu introduced a law whereby 1 in 34 adult males was drafted into the national military. These soldiers were required to supply their own weapons, and in return were exempted from duties and taxes. This was one of the first attempts by the Imperial government to form an organized army modeled after the Chinese system. It was called "Gundan-Sei" () by later historians and is believed to have been short-lived.[citation needed]
Who led the Taika Reform?
A: Prince Naka no Oe (Emperor Tenji)
Problem: Please answer a question about the following article about Phonology:
Different linguists therefore take different approaches to the problem of assigning sounds to phonemes. For example, they differ in the extent to which they require allophones to be phonetically similar. There are also differing ideas as to whether this grouping of sounds is purely a tool for linguistic analysis, or reflects an actual process in the way the human brain processes a language.
What part of a human does language processing?
A: brain
Problem: Please answer a question about the following article about Frederic Chopin:
Fryderyk may have had some piano instruction from his mother, but his first professional music tutor, from 1816 to 1821, was the Czech pianist Wojciech Zywny. His elder sister Ludwika also took lessons from Zywny, and occasionally played duets with her brother. It quickly became apparent that he was a child prodigy. By the age of seven Fryderyk had begun giving public concerts, and in 1817 he composed two polonaises, in G minor and B-flat major. His next work, a polonaise in A-flat major of 1821, dedicated to Zywny, is his earliest surviving musical manuscript.
At what age did Frederic start giving public concerts?
A:
7