Question: What is a staple food in the country where the BBC is banned from reporting?

full_context: Document 1: Tibet: Tibet has various festivals that are commonly performed to worship the Buddha[citation needed] throughout the year. Losar is the Tibetan New Year Festival. Preparations for the festive event are manifested by special offerings to family shrine deities, painted doors with religious symbols, and other painstaking jobs done to prepare for the event. Tibetans eat Guthuk (barley noodle soup with filling) on New Year's Eve with their families. The Monlam Prayer Festival follows it in the first month of the Tibetan calendar, falling between the fourth and the eleventh days of the first Tibetan month. It involves dancing and participating in sports events, as well as sharing picnics. The event was established in 1049 by Tsong Khapa, the founder of the Dalai Lama and the Panchen Lama's order.
Document 2: 2008 Summer Olympics torch relay: In response to the demonstrations, the Chinese government attempted to calm the situation, possibly fearing the protests may spiral out of control as has happened in recent years, including the anti-Japanese protests in 2005. State media and commentaries began to call for calm, such as an editorial in the People's Daily which urged Chinese people to "express [their] patriotic enthusiasm calmly and rationally, and express patriotic aspiration in an orderly and legal manner". The government also began to patrol and censor the internet forums such as Sohu.com, with comments related to the Carrefour boycott removed. In the days prior to the planned boycott, evidence of efforts by Chinese authorities to choke the mass boycott's efforts online became even more evident, including barring searches of words related to the French protests, but protests broke out nonetheless in front of Carrefour's stores at Beijing, Changsha, Fuzhou and Shenyang on May 1.
Document 3: Tibet: Muslims have been living in Tibet since as early as the 8th or 9th century. In Tibetan cities, there are small communities of Muslims, known as Kachee (Kache), who trace their origin to immigrants from three main regions: Kashmir (Kachee Yul in ancient Tibetan), Ladakh and the Central Asian Turkic countries. Islamic influence in Tibet also came from Persia. After 1959 a group of Tibetan Muslims made a case for Indian nationality based on their historic roots to Kashmir and the Indian government declared all Tibetan Muslims Indian citizens later on that year. Other Muslim ethnic groups who have long inhabited Tibet include Hui, Salar, Dongxiang and Bonan. There is also a well established Chinese Muslim community (gya kachee), which traces its ancestry back to the Hui ethnic group of China.
Document 4: 2008 Summer Olympics torch relay: Thailand: The April 18 relay through Bangkok was the Olympic flame's first visit to Thailand. The relay covered just over 10 km, and included Bangkok's Chinatown. The torch was carried past Democracy Monument, Chitralada Palace and a number of other city landmarks. M.R. Narisa Chakrabongse, Green World Foundation (GWF) chairwoman, withdrew from the torch-running ceremony, protesting against China's actions in Tibet. Several hundred protesters were present, along with Olympic supporters. Thai authorities threatened to arrest foreign protesters and ban them from future entry into Thailand. A coalition of Thai human rights groups announced that it would organise a "small demonstration" during the relay, and several hundred people did indeed take part in protests, facing Beijing supporters. Intended torchbearer Mom Rajawongse Narissara Chakrabongse boycotted the relay, to protest against China's actions in Tibet. In Bangkok, students told the media that the Chinese Embassy provided them with transportation and gave them shirts to wear.
Document 5: Tibet: The main crops grown are barley, wheat, buckwheat, rye, potatoes, and assorted fruits and vegetables. Tibet is ranked the lowest among China’s 31 provinces on the Human Development Index according to UN Development Programme data. In recent years, due to increased interest in Tibetan Buddhism, tourism has become an increasingly important sector, and is actively promoted by the authorities. Tourism brings in the most income from the sale of handicrafts. These include Tibetan hats, jewelry (silver and gold), wooden items, clothing, quilts, fabrics, Tibetan rugs and carpets. The Central People's Government exempts Tibet from all taxation and provides 90% of Tibet's government expenditures. However most of this investment goes to pay migrant workers who do not settle in Tibet and send much of their income home to other provinces.
Document 6: Tibet: Religion is extremely important to the Tibetans and has a strong influence over all aspects of their lives. Bön is the ancient religion of Tibet, but has been almost eclipsed by Tibetan Buddhism, a distinctive form of Mahayana and Vajrayana, which was introduced into Tibet from the Sanskrit Buddhist tradition of northern India. Tibetan Buddhism is practiced not only in Tibet but also in Mongolia, parts of northern India, the Buryat Republic, the Tuva Republic, and in the Republic of Kalmykia and some other parts of China. During China's Cultural Revolution, nearly all Tibet's monasteries were ransacked and destroyed by the Red Guards. A few monasteries have begun to rebuild since the 1980s (with limited support from the Chinese government) and greater religious freedom has been granted – although it is still limited. Monks returned to monasteries across Tibet and monastic education resumed even though the number of monks imposed is strictly limited. Before the 1950s, between 10 and 20% of males in Tibet were monks.
Document 7: 2008 Summer Olympics torch relay: In many cities along the North American and European route, the torch relay was protested by advocates of Tibetan independence, animal rights, and legal online gambling, and people protesting against China's human rights record, resulting in confrontations at a few of the relay locations. These protests, which ranged from hundreds of people in San Francisco, to effectively none in Pyongyang, forced the path of the torch relay to be changed or shortened on a number of occasions. The torch was extinguished by Chinese security officials several times during the Paris leg for security reasons, and once in protest in Paris.
Document 8: 2008 Summer Olympics torch relay: Some Western media have reported on Chinese accusations of Western media bias. The Daily Telegraph published an opinion piece by the Chinese ambassador to the United Kingdom, Fu Ying, who accused Western media of "demonising" China during their coverage of the torch relays. The Telegraph also asked its readers to send their views in response to the question "Is the West demonising China?" The BBC reported on a demonstration in Sydney by Chinese Australians "voicing support for Beijing amid controversy over Tibet" and protesting against what they saw as Western media bias. The report showed demonstrators carrying signs which read "Shame on some Western media", "BBC CNN lies too" and "Stop media distortion!". One demonstrator interviewed by the BBC stated: "I saw some news from CNN, from the BBC, some media [inaudible], and they are just lying." Libération also reported that it had been accused of bias by the Chinese media.
Document 9: Tibet: The economy of Tibet is dominated by subsistence agriculture, though tourism has become a growing industry in recent decades. The dominant religion in Tibet is Tibetan Buddhism; in addition there is Bön, which is similar to Tibetan Buddhism, and there are also Tibetan Muslims and Christian minorities. Tibetan Buddhism is a primary influence on the art, music, and festivals of the region. Tibetan architecture reflects Chinese and Indian influences. Staple foods in Tibet are roasted barley, yak meat, and butter tea.
Document 10: 2008 Summer Olympics torch relay: A Macau resident was arrested on April 26 for posting a message on cyberctm.com encouraging people to disrupt the relay. Both orchidbbs.com and cyberctm.com Internet forums were shut down from May 2 to 4. This fueled speculation that the shutdowns were targeting speeches against the relay. The head of the Bureau of Telecommunications Regulation has denied that the shutdowns of the websites were politically motivated. About 2,200 police were deployed on the streets, there were no interruptions.
Document 11: 2008 Summer Olympics torch relay: On April 19, the BBC reported that 1,300 people had gathered outside BBC buildings in Manchester and London, protesting against what they described as Western media bias. Several days earlier, the BBC had published an article entitled "The challenges of reporting in China", responding to earlier criticism. The BBC's Paul Danahar noted that Chinese people were now "able to access the BBC News website for the first time, after years of strict censorship", and that "many were critical of our coverage". He provided readers with a reminder of censorship in China, and added: "People who criticise the media for their coverage in Tibet should acknowledge that we were and still are banned from reporting there." He also quoted critical Chinese responses, and invited readers to comment.
Document 12: Tibet: The most important crop in Tibet is barley, and dough made from barley flour—called tsampa—is the staple food of Tibet. This is either rolled into noodles or made into steamed dumplings called momos. Meat dishes are likely to be yak, goat, or mutton, often dried, or cooked into a spicy stew with potatoes. Mustard seed is cultivated in Tibet, and therefore features heavily in its cuisine. Yak yogurt, butter and cheese are frequently eaten, and well-prepared yogurt is considered something of a prestige item. Butter tea is very popular to drink.
Document 13: Tuva: Two religions are widespread among the people of Tuva: Tibetan Buddhism and shamanism. Tibetan Buddhism's present-day spiritual leader is Tenzin Gyatso, the fourteenth Dalai Lama. In September 1992, the fourteenth Dalai Lama visited Tuva for three days. On September 20, he blessed and consecrated the new yellow-blue-white flag of Tuva, which had been officially adopted three days previously.The Tuvan people – along with the Yellow Uyghurs in China – are one of the only two Turkic groups who are mainly adherents to Tibetan Buddhism, combined with native shamanism.During the 16th and 17th centuries, Tibetan Buddhism gained popularity in Tuva. An increasing number of new and restored temples are coming into use, as well as novices being trained as monks and lamas. Religious practice declined under the restrictive policies of the Soviet period but is now flourishing.Shamanism is being revived as well, also in organized Tengrian forms.
Document 14: 2008 Summer Olympics torch relay: On April 17, Xinhua condemned what it called "biased coverage of the Lhasa riots and the Olympic torch relay by the U.S.-based Cable News Network (CNN)". The same day, the Chinese government called on CNN to "apologise" for having allegedly insulted the Chinese people, and for "attempting to incite the Chinese people against the government". CNN issued a statement on April 14, responded to China over 'thugs and goons' comment by Jack Cafferty.
Document 15: 2008 Summer Olympics torch relay: Chinese officials canceled the torch relay ceremony amidst disruptions, including a Tibetan flag flown from a window in the City Hall by Green Party officials. The third torchbearer in the Paris leg, Jin Jing, who was disabled and carried the torch on a wheelchair, was assaulted several times by unidentified protestors seemingly from the pro-Tibet independent camp. In interviews, Jin Jing said that she was "tugged at, scratched" and "kicked", but that she "did not feel the pain at the time." She received praise from ethnic Chinese worldwide as "Angel in Wheelchair". The Chinese government gave the comment that "the Chinese respect France a lot" but "Paris [has slapped] its own face."
ground_truth: yak meat
sub_queries: Where is BBC banned from reporting? Answer: Tibet
What is a staple food in Tibet ? Answer: yak meat