Question: Which is a Chinese documentary, Umbrella or Saigon, U.S.A.?

Context paragraphs:
Fengming, a Chinese Memoir: Fengming, a Chinese Memoir (), also known as Chronicle of a Chinese Woman, is a 2007 Chinese documentary film directed by Wang Bing.  The film consists almost entirely of an interview with the elderly He Fengming, recounting her experiences in post-1949 China.

Super, Girls!: Super, Girls!  (), directed by Jian Yi, is a 2007 independent Chinese documentary that follows 10 female teenagers on their quest to become instant superstars on China’s biggest television show.  The Chinese equivalent of "American Idol", the "Super Girls Singing Contest" spawned an unprecedented pop culture phenomenon.  Drawing over 400 million viewers, the ending text of the documentary implies the show was cancelled by the Chinese government for political reasons.  The film accesses the contestants’ lives over several months.  Through interviews and footage of auditions and competitions, "Super, Girls!"  examines sexuality and success in the new China.

Zhou Bing: Zhou Bing (simplified Chinese: 周兵; pinyin: Zhōu Bing , Zhoubing ; born 1 April 1968), famous Chinese documentary director, a PhD from History College of Nankai University, have successively served as the column scenarist and special program production manager of the program titled with “Oriental Biography” and director of special program division of CND Film Group.  Zhou Bing was titled with annual director of Chinese documentary film for three times, and the documentary films created and produced by him amounts to 100 hundred units.  His masterpieces including Palace, Dun Huang and "Road of Millenia Bodhi were" aired on CCTV, National Geographic, SKY TV, History Channel, Arte, and NDR.  Currently he establishes Beijing Oriental Elites Culture Development Co Ltd and works with Tiong Hiew King, the datuk of Tan Sri, Malaysia to setup Sun Media International Co. Ltd and Zero Media International Co. Ltd.  Zhou Bing attempted to join in the development of industrialization process of documentary films with the identity of independent directors.  Zhou Bing is also a Adjunct Professor in the Department of Media and Communication of City University of Hong Kong.  It is art dream of Mr Zhou who has been desiring to realize through images to broadcast Chinese culture and to build oriental aesthetic approach with the images recognized by the world.

Crazy English (film): Crazy English is a 1999 Chinese documentary directed by Zhang Yuan.  The film premiered along with Zhang's "Seventeen Years" at the 1999 Locarno International Film Festival.  It established Zhang's position as a "legitimate" director after years of working independently from, and often at odds with, the Chinese authorities.

A Bite of China: A Bite of China () is a Chinese documentary television series on the history of food, eating, and cooking in China directed by Chen Xiaoqing (陈晓卿 ), narrated by Li Lihong (李立宏 ) with original music composed by Roc Chen (阿鲲 ).  It first aired May 14, 2012 on China Central Television and quickly gained high ratings and widespread popularity.  The seven-episode documentary series, which began filming in March 2011, introduces the history and story behind foods of various kinds in more than 60 locations in mainland China, Hong Kong, and Taiwan.  The documentary has also been actively encouraged as a means of introducing Chinese food culture to those unfamiliar with local cuisine.  Various notable chefs such as Shen Hongfei and Chua Lam were consultants on the project.

China Screen: China Screen is an annual independent Chinese documentary film festival organized by "Les Écrans des Mondes," a non-profit organization founded in 2007 in Paris.  Known in France as "Les Écrans de Chine," the festival was set up to promote dialogue about and understanding of modern-day China.  Festival president Michel Noll, a documentary producer and director himself, is also the founder of ICTV, the documentary production and distribution company that organizes the festival.

Saigon, U.S.A.: Saigon, U.S.A. is a 2004 documentary film about Vietnamese Americans that live in the United States.  It was produced and directed by Lindsey Jang and Robert C. Winn

Doan Hoang: Doan Hoang or Đoan Hoàng, is a Vietnamese-American documentary film director, producer, editor, and screenwriter.  She directed and produced the 2007 documentary "Oh, Saigon" about her family, after leaving Vietnam on the last civilian helicopter as Saigon fell.  The documentary won several awards at film festivals and was broadcast on PBS from 2008 to 2012.  Hoang was selected to be a delegate to Spain for the American Documentary Showcase.

Oh, Saigon: Oh, Saigon is a 2007 autobiographical documentary by Vietnamese American director Doan Hoang about her family's separation during the fall of Saigon and her attempt to reunite them afterwards.  "Oh, Saigon" was executive produced by Academy Award and Emmy winner, John Battsek.  "Oh, Saigon" received film grants from the Sundance Institute Documentary Fund, ITVS, and the Center for Asian American Media, and after its release, received a number of film festival awards and accolades.

Umbrella (film): Umbrella or "San" is a Chinese documentary film directed by Du Haibin and released in 2007.  The film documents the experiences of modern rural China, particularly five social groups: students, soldiers, tradespeople, and peasants.  Du's stated goal with the film was to highlight the growing disparity between China's prosperous cities and its stagnating countryside.

Supporting paragraphs: Umbrella (film) Saigon, U.S.A.
Answer: Umbrella