Information:  - Beijing Film Academy (abbreviated BFA) is a coeducational state-run higher education institution in Beijing, China. The film school is the largest institution specialising in the tertiary education for film and television production in Asia. The academy has earned international recognition for its achievements in film production.  - Zhu Xu is a Chinese actor. He is well known for his roles in Zhang Yang's "Shower" and Wu Tianming's "The King of Masks", the latter film helping him garner a Best Actor prize at the Tokyo International Film Festival.  - Jiang Wenli (born 1969 in Bengbu, Anhui) is a Chinese actress. A native of Tianjin, she graduated from the Beijing Film Academy in 1992. Jiang was one of the members of the jury of the Shanghai International Film Festival in 2005. In 1993, she married cinematographer and director Gu Changwei.  - The Gua Sha Treatment ( Chinese :  ; pinyin : gu sh ) is a Chinese movie released in 2001 starring Tony Leung Ka - Fai , Zhu Xu , and Jiang Wenli . It is a story about cultural conflicts experienced by a Chinese family in the USA .  - Bengbu is a mid-sized city in northern Anhui Province, China. Its built-up ("or metro") area made of 4 urban districts has nearly one million residents, though the Prefecture-level city under its jurisdiction had 3,164,467 registered residents at the 2010 census. Its name means "Oyster Wharf" in Chinese, echoing its former reputation as a freshwater pearl fishery.  - Anhui is a landlocked province of the People's Republic of China located in the eastern region of the country. Located across the basins of the Yangtze River and the Huai River, it borders Jiangsu to the east, Zhejiang to the southeast, Jiangxi to the south, Hubei to the southwest, Henan to the northwest, and Shandong for a short section in the north. The provincial capital is Hefei.  - Gu Changwei (born December 12, 1957) is a Chinese cinematographer and film director. Gu was born in Xi'an, Shaanxi in the People's Republic of China. Gu is considered one of the major Chinese cinematographers working today.  - Tony Leung Ka-fai (born February 1, 1958) is a Hong Kong actor who is a four-time winner of the Hong Kong Film Award.  - Gua sha, meaning "scraping "sha"-bruises", is a traditional Chinese medical treatment in which the skin is scraped to produce light bruising. Practitioners believe "gua sha" releases unhealthy elements from injured areas and stimulates blood flow and healing. "Gua sha" is sometimes referred to as "spooning" or "coining" by English speakers, it has also been given the descriptive French name, "tribo-effleurage".  - Beijing (formerly romanised as Peking) is the capital of the People's Republic of China and the world's third most populous city proper. It is also one of the world's most populous capital cities. The city, located in northern China, is governed as a direct-controlled municipality under the national government with 16 urban, suburban, and rural districts. Beijing Municipality is surrounded by Hebei Province with the exception of neighbouring Tianjin Municipality to the southeast; together the three divisions form the Jingjinji metropolitan region and the national capital region of China.  - The (TIFF) is a film festival established in 1985. The event was held biennially from 1985 to 1991 and annually thereafter. Along with the Shanghai International Film Festival, it is one of Asia's competitive film festivals, and the only Japanese festival accredited by the FIAPF.  - Wu Tianming (December 5, 1939  March 4, 2014) was a Chinese film director and producer who was considered one of the leading "Fourth Generation" directors.  - Tianjin, formerly romanized as Tientsin, is a metropolis in northern coastal Mainland China, administered by the People's Republic of China and one of the five national central cities of China, with a total municipal population of 15,469,500. It is governed as one of the four direct-controlled municipalities of the PRC and is thus under direct administration of the central government. Tianjin borders Hebei Province and Beijing Municipality, bounded to the east by the Bohai Gulf portion of the Yellow Sea. Part of the Bohai Economic Rim, it is the largest coastal city in northern China.  - The Hong Kong Film Awards (HKFA), founded in 1982, is an annual film awards ceremony in Hong Kong. The ceremonies are typically in April. The awards recognise achievement in various aspects of filmmaking, such as directing, screenwriting, acting and cinematography. The awards are the Hong Kong equivalent to the American Academy Awards and the British BAFTAs.  - Effleurage, a French word meaning "to skim" or "to touch lightly on", is a series of massage strokes used in Swedish massage to warm up the muscle before deep tissue work using petrissage.  - The King of Masks is a 1996 Chinese film directed by Wu Tianming.  - The Shanghai International Film Festival (French: "Festival international du film de Shanghai"), abbreviated SIFF, is one of the largest film festivals in East Asia.    Given the paragraphs above, decide what entity has the relation 'instance of' with 'film'.
The answer to this question is:
the gua sha treatment