Information:  - Sovannahong (en.Golden Phoenix) is a 1967 Cambodian film directed by Yvon Hem and based on Khmer mythology about the first Khmer creation of a giant phoenix made from gold which similar to the plane nowadays. It is one of the most successful local fantasy films in 1960s.  - Cheam Entry Kmao is a 1974 Cambodian film directed by actor , Vann Vannak . The film stars Vann Vannak himself and actress Saom Vansodany . The song `` Luos Snae Bong Smok '' by Sinn Sisamouth and Ros Serey Sothear remains a popular duet from the film .  - Saom Vansodany or Som Van Sok Dany was a famous Cambodian actress from the late 1960s until 1975. She was mainly featured and famous for her roles in melodramatic movies such as Thavory Meas Bong and Sovannahong. She married fellow actor, Chea Yuthorn before the communist era and is survived by their son, Thorn Tharith. Details of her life are relatively unknown and she is believed to have perished from overwork under the Khmer Rouge regime shortly after giving birth to her son.  - Tith Vichara Dany was a widely popular actress in Cambodia who most likely made her debut in 1967. She starred in a majority of films which include "Thavory Meas Bong", "Tep Sodachan", and "Sovann Pancha" during the nation's golden age of cinema. She is often paired on screen with fellow actor Kong Sam-Oeurn. Other notable actors she started with are Chea Yuthorn and "Vann Vannak". In only a span of at least seven years she is credited to have starred in over one hundred films. Details of her life are relatively unknown and is believed to have perished shortly after the Khmer Rouge regime.  - An actor (or actress for females; see terminology) is a person who portrays a character in a performance. The actor performs "in the flesh" in the traditional medium of the theatre, or in modern mediums such as film, radio, and television. The analogous Greek term is, literally "one who answers". The actor's interpretation of their role pertains to the role played, whether based on a real person or fictional character. Interpretation occurs even when the actor is "playing themselves", as in some forms of experimental performance art, or, more commonly; to act, is to create, a character in performance.  - Vann Vannak was a popular actor in Cambodia during the late 1960s until 1975. Despite his talents, producers usually favored casting his rivals Kong Som Oeurn or Chea Yuthorn in their movies. Due to their lack of support, Vann Vannak starred in considerably fewer films when compared to his rivals. Nevertheless, he was pivotal in movies such as "Sovann Pancha", "Neang Kakey", and "Champa Meas" all of which had Vichara Dany as the female lead. To increase his presence in the industry he created his own production company known as Pisnoka in 1970 which made eight films casting himself as the male lead in all of them.    Given the paragraphs above, decide what entity has the relation 'original language of work' with 'khmer'.
Answer:
cheam entry kmao