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In this task, you are given a set of context paragraph and some supporting facts to answer a question. Your task is to generate answer for given question based on set of context paragraphs and supporting facts.

Context_1 : God is My Co-Pilot is a 1945 American black-and-white biographical war film from Warner Bros. Pictures, produced by Robert Buckner, directed by Robert Florey, that stars Dennis Morgan and co-stars Dane Clark and Raymond Massey. The screenplay by Abem Finkel and Peter Milne is based on the 1943 autobiography of the same name by Robert Lee Scott, Jr. (April 12, 1908 February 27, 2006) and tells the story of Scott's involvement with the Flying Tigers and the United States Army Air Forces in China and Burma during World War II. Context_2 : Daughter of Shanghai is a 1937 American motion picture directed by Robert Florey, written by Gladys Unger and Garnett Weston, and starring Anna May Wong and Philip Ahn. The film was unusual in that Asian American actors played the lead roles. It was also one of the first films in which Anthony Quinn appeared. Context_3 : Robert Florey (14 September 1900 16 May 1979) was a French-American director, screenwriter, film journalist, and occasional actor. Context_4 : Stephen Sommers (born March 20, 1962) is an American screenwriter and film director, best known for "The Mummy" (1999) and its sequel, "The Mummy Returns" (2001). He also directed Disney's live action version of "Rudyard Kipling's The Jungle Book" (1994), the action/horror film "Van Helsing" (2004), and "" (2009). Context_5 : The Preview Murder Mystery is a 1936 American mystery-comedy, directed by Robert Florey and shot in the Paramount studio. The plot follows a studio public relations man who attempts to trap a killer using television technology, allowing on-screen glimpses of technicians like Florey's cinematographer Karl Struss. Context_6 : Outpost in Morocco is a 1949 action adventure film directed by Robert Florey, starring George Raft and Marie Windsor. Paul Gerard (George Raft), a Moroccan Spahi officer and his French Foreign Legion garrison, holds off attacks from the native tribes of the Emir of Bel-Rashad (Eduard Franz), the father of Cara (Marie Windsor), the woman he loves. As a rarity amongst American films of the Foreign Legion genre, the Legion cooperated with the producers. A second unit led by Robert Rossen filmed scenes in Morocco. Some of the large scale action scenes of the film were reused in "Fort Algiers" and "Legion of the Doomed". Context_7 : Disbarred is a 1939 film about a crooked lawyer starring Gail Patrick and Robert Preston. The supporting cast includes Otto Kruger, Virginia Vale and Sidney Toler. The movie was directed by film noir specialist Robert Florey. Context_8 : Ex-Lady is a 1933 American Pre-Code comedy film directed by Robert Florey. The screenplay by David Boehm is based on an unproduced play by Edith Fitzgerald and Robert Riskin. It is a lightweight and modern version of a drawing room comedy. The film was made before the Motion Picture Production Code was in force, and it is risque: in subject matter (people having affairs without shame), in staging (double beds) and in the fairly revealing negligees that Bette Davis's character wears. Context_9 : Adventures of Don Juan (released in the UK as The New Adventures of Don Juan) is a 1948 American Technicolor swashbuckling adventure romance film from Warner Bros., produced by Jerry Wald, directed by Vincent Sherman, that stars Errol Flynn and Viveca Lindfors, with Robert Douglas, Alan Hale, Ann Rutherford, and Robert Warwick. Also in the cast are Barbara Bates, Raymond Burr, and Mary Stuart. The screenplay by George Oppenheimer and Harry Kurnitz, based on a story by Herbert Dalmas, has uncredited contributions by William Faulkner and Robert Florey. Context_10 : The Beast with Five Fingers is a 1946 mystery horror film directed by Robert Florey from a screenplay by Curt Siodmak, based on a short story written by W. F. Harvey and first published in 1919 in "The New Decameron". The film stars Robert Alda, Victor Francen, Andrea King, and Peter Lorre. The film's score was composed by Max Steiner. fact_1 : Robert Florey (14 September 1900 16 May 1979) was a French-American director, screenwriter, film journalist, and occasional actor. fact_2 : Stephen Sommers (born March 20, 1962) is an American screenwriter and film director, best known for "The Mummy" (1999) and its sequel, "The Mummy Returns" (2001). Question: Were Robert Florey and Stephen Sommers both American?
Output:
yes