Question: Do both directors of films The Legend Of Paul And Paula and Grass (1999 Film) have the same nationality?

<P0-S0> Die Legende von Paul und Paula <P0-S1> A novel by Ulrich Plenzdorf named" Die Legende vom Glück ohne Ende" was based on this film. <P0-S2> The film was extremely popular on release and drew 3,294,985 viewers( the GDR had a population at the time of around 17 million). <P0-S3> However, due to the film's political overtones it was almost not released. <P0-S4> East German leader Erich Honecker personally decided to allow it to be shown. <P0-S5> ( English:" The Legend of Paul and Paula") is a 1973 tragicomic East German film directed by Heiner Carow. <P0-S6> Today it is one of the best- known East German films. <SEP> <P1-S0> Grass: History of Marijuana is a 1999 Canadian documentary film directed by Ron Mann, premiered at the Toronto International Film Festival, about the history of the United States government's war on marijuana in the 20th century. <P1-S1> The film was narrated by actor Woody Harrelson. <SEP> <P2-S0> Achim Mentzel( 15 July 1946 – 4 January 2016) was a German musician, television presenter and actor. <P2-S1> He was best known for hosting his show" Achims Hitparade" from 1989 to 2006 and for his work with Oliver Kalkofe(" Kalkofes Mattscheibe"). <P2-S2> He released 23 singles and seven albums between 1978 and 2010. <P2-S3> He was a member of the cover band, Fritzens Dampferband, together with Nina Hagen. <P2-S4> He appeared in the films" The Legend of Paul and Paula"( 1973) and" Der Wixxer"( 2004), and the television shows" Das Amt" and" Leipzig Homicide". <P2-S5> Mentzel was born in Berlin. <P2-S6> He was married four times and had eight children. <P2-S7> Mentzel died on 4 January 2016 in Cottbus, Brandenburg, aged 69. <P2-S8> It is believed the cause was a heart attack or stroke. <SEP> <P3-S0> His 1986 film" So Many Dreams" was entered into the 37th Berlin International Film Festival. <P3-S1> The following year, he was a member of the jury at the 38th Berlin International Film Festival. <P3-S2> Heiner Carow( 19 September 1929 – 1 February 1997) was a German film director and screenwriter. <P3-S3> In 1990, his film" Coming Out" won the Silver Bear for an outstanding artistic contribution at the 40th Berlin International Film Festival. <SEP> <P4-S0> Ronald Mann( born June 13, 1958) is a Canadian documentary film director focusing primarily on aspects of Canadian and American popular culture, including his acclaimed 1988 documentary" Comic Book Confidential".. <P4-S1> He does most of his work through his company Sphinx Productions, while also running a film distribution company on the side called' FilmsWeLike'. <P4-S2> Mann has also put together the archives for many prominent Canadian figures and companies. <P4-S3> He is a graduate of the University of Toronto. <P4-S4> His first music video project was" Jezebel", by Canadian indie rock band Two Hours Traffic, which he directed and in which he also appears. <P4-S5> In 2009 he released a documentary on mushrooms and mushroom hunting called" Know Your Mushrooms". <P4-S6> In 2014, Mann directed the Robert Altman based documentary" Altman". <P4-S7> He resides in Toronto. <P4-S8> Mann is a member of the NORML advisory board. <SEP> <P5-S0> Angelica Domröse( born 4 April 1941 in Berlin) is a German actress, who became famous in the role of Paula in Heiner Carow's film" The Legend of Paul and Paula". <P5-S1> Her Mediterranean appearance is the result of her biological father being a prisoner of war from France.