Question: Do both directors of films Mastana (1970 Film) and The Dark At The Top Of The Stairs (Film) have the same nationality?

<P0-S0> Rao is widely regarded as the intellectual fountain head of Indian drama films. <P0-S1> He has garnered seven National Film Awards. <P0-S2> The 1960 film Nammina Bantu was a work of drama in the broader sense achieved by means of actors who represented mimesis throughout the narrative. <P0-S3> The film was simultaneously shot in Tamil as" Pattaliyin Vetri". <P0-S4> Upon release both versions received critical acclaim. <P0-S5> Adurthi Subba Rao( 16 December 1912 – 1 October 1975) was an Indian film director, cinematographer, screenwriter, editor and producer known for his works predominantly in Telugu cinema, bollywood, and Tamil cinema. <P0-S6> The Telugu work was screened at the San Sebastián International Film Festival. <P0-S7> The film also won the National Film Award for Best Feature Film in Telugu for that year. <P0-S8> The 1964 film Doctor Chakravarthy was adapted by Rao based on Koduri Kousalya Devi's Novel" Chakrabhramanam". <P0-S9> The film was the first film to win the Nandi Award, instituted by Government of Andhra Pradesh in 1964. <P0-S10> The box office success was awarded the National Film Award for Best Feature Film in Telugu for that year. <P0-S11> Rao's next work was Mooga Manasulu based on the concept of reincarnation, the first of its kind in Indian cinema in the genre of semi-fiction intended to be more serious in tone with elements that encourage a broader range of moods throughout the narrative. <P0-S12> The film was remade in Hindi as" Milan"( 1967) directed by Rao himself, while the Tamil" Praptham"( 1971) was adapted from Rao's work. <SEP> <P1-S0> The film stars Mehmood and Vinod Khanna. <P1-S1> The film premiered on 16 October 1970 in Bombay. <P1-S2> Mastana is a 1970 Bollywood comedy film directed by Adurthi Subba Rao. <P1-S3> The film is remake of the Telugu film" Sattekalapu Satteya"( 1969), directed by K. Balachander, starring Chalam and was remade in Kannada Language in 1980 as" Manku Thimma" by Dwarakish. <SEP> <P2-S0> Mr. Right is a 2009 British film directed by David Morris and Jacqui Morris. <P2-S1> The jointly- made gay- themed film is the debut for both directors. <SEP> <P3-S0> He won the Academy Award for Best Director for the film "Marty" (1955), adapted from a 1953 teleplay of the same name which he had also directed. <P3-S1> From 1967 to 1971, he was president of the Directors Guild of America. <P3-S2> Delbert Martin Mann Jr. (January 30, 1920 – November 11, 2007) was an American television and film director. <P3-S3> In 2002, he received the DGA's honorary life member award. <P3-S4> Mann was credited to have "helped bring TV techniques to the film world." <SEP> <P4-S0> The Dark at the Top of the Stairs is a 1960 American drama film. <P4-S1> Shirley Knight garnered an Oscar nomination for Best Supporting Actress, and Lee Kinsolving was nominated for a Golden Globe Award as Best Supporting Actor. <P4-S2> Knight was also nominated for two Golden Globes. <P4-S3> Mann's direction was nominated for a Directors Guild of America Award for Outstanding Directing in a Feature Film. <P4-S4> It was based on the Tony Award- nominated play of the same name by William Inge. <P4-S5> Academy Award winner Delbert Mann directed the work of Robert Preston and Dorothy McGuire in the production. <SEP> <P5-S0> Arthur Lee Kinsolving Jr.( August 30, 1938 – December 4, 1974), known professionally as Lee Kinsolving, was an American film, theater and television actor. <P5-S1> In 1960, Kinsolving was nominated for a Golden Globe for Best Supporting Actor at the 18th Golden Globe Awards for his role as Sammy Goldenbaum in the film" The Dark at the Top of the Stairs". <P5-S2> He lost the award to actor Sal Mineo.