Question: Are both  Adolfo Bioy Casares and Iris Rainer Dart authors?

full_context: Document 1: La aventura de un fotógrafo en La Plata: La aventura de un fotógrafo en La Plata is an Argentine novel, written by Adolfo Bioy Casares. It was first published in 1985. In the prologue to the 2005 edition, the author admits that it is possible that the novel alludes, subconsciously, to the desaparecidos, stating, “I do not believe that one can have such a terrible nightmare and refrain from writing about it in the morning.”
Document 2: Beatrix Potter: Helen Beatrix Potter (28 July 186622 December 1943) was an English writer, illustrator, natural scientist, and conservationist best known for her children's books featuring animals, such as those in "The Tale of Peter Rabbit".
Document 3: Jean Kerr: Jean Kerr (July 10, 1922 – January 5, 2003) was an Irish-American author and playwright born in Scranton, Pennsylvania, and best known for her humorous bestseller, "Please Don't Eat the Daisies", and the plays "King of Hearts" and "Mary, Mary".
Document 4: Iris Rainer Dart: Iris Rainer Dart (born March 3, 1944) is an American author and playwright for television and the stage. Her most notable novel is "Beaches", which was made into a 1988 film of the same name. She has also written several stage musicals as well as for television shows, such as "The Sonny and Cher Show". She also voiced Donna, Peter Cottontail's love interest, in the stop-motion Easter classic, Here Comes Peter Cottontail.
Document 5: The Invention of Morel: La invención de Morel (] ; 1940) — translated as The Invention of Morel or Morel's Invention — is a novel by Argentine writer Adolfo Bioy Casares. It was Bioy Casares' breakthrough effort, for which he won the 1941 First Municipal Prize for Literature of the City of Buenos Aires. He considered it the true beginning of his literary career, despite being his seventh book. The first edition cover artist was Norah Borges, sister of Bioy Casares' lifelong friend, Jorge Luis Borges.
Document 6: Hugo Santiago: Hugo Santiago was born Hugo Santiago Muchnick in 1939 in Buenos Aires, Argentina. He has lived in France since 1959. He studied Literature, Philosophy and Music. From 1959 to 1966 he was assistant director to Robert Bresson. In 1969 he made his first feature film "Invasión" in his native Argentina based on an idea by celebrated writers Adolfo Bioy Casares and Jorge Luis Borges, who also co-wrote the script. Adolfo Bioy Casares described the film in May 1969 as follows:
Document 7: Beaches (novel): Beaches is a novel written by Iris Rainer Dart about two friends, struggling actress Cee Cee Bloom and the conventional Bertie White (changed to Hilary Whitney in the film). The story follows them through their life as young girls until their mid-to-late 30s.
Document 8: Argentine literature: Argentine literature, i.e. the set of literary works produced by writers who originated from Argentina, is one of the most prolific, relevant and influential in the whole Spanish speaking world, with renowned writers such as Jorge Luis Borges, Julio Cortázar, Leopoldo Lugones and Ernesto Sabato.
Document 9: Julio Cortázar: Julio Cortázar, born Jules Florencio Cortázar (] ; August 26, 1914 – February 12, 1984), was an Argentine novelist, short story writer, and essayist. Known as one of the founders of the Latin American Boom, Cortázar influenced an entire generation of Spanish-speaking readers and writers in the Americas and Europe.
Document 10: Jorge Luis Borges: Jorge Francisco Isidoro Luis Borges Acevedo {'1': ", '2': ", '3': ", '4': "} ( ; ]    ; 24 August 1899 – 14 June 1986) was an Argentine short-story writer, essayist, poet and translator, and a key figure in Spanish-language literature. His best-known books, "Ficciones" ("Fictions") and "El Aleph" ("The Aleph"), published in the 1940s, are compilations of short stories interconnected by common themes, including dreams, labyrinths, libraries, mirrors, fictional writers, philosophy, and religion.
Document 11: Ira Levin: Ira Marvin Levin (August 27, 1929 – November 12, 2007) was an American novelist, playwright, and songwriter. His most noted works include the novels "A Kiss Before Dying" (1953), "Rosemary's Baby" (1967), "The Stepford Wives" (1972), and "The Boys from Brazil" (1976), as well as the play "Deathtrap" (1978). Many of his novels and plays have been adapted to film.
Document 12: Beaches (film): Beaches (also known as Forever Friends) is a 1988 American comedy-drama film adapted by Mary Agnes Donoghue from the Iris Rainer Dart novel of the same name. It was directed by Garry Marshall, and stars Bette Midler, Barbara Hershey, Mayim Bialik, John Heard, James Read, Spalding Gray, and Lainie Kazan.
Document 13: Bernadette Peters: Bernadette Peters (born Bernadette Lazzara; February 28, 1948) is an American actress, singer and children's book author. Over the course of a career that has spanned five decades, she has starred in musical theatre, films and television, as well as performing in solo concerts and recordings. She is one of the most critically acclaimed Broadway performers, having received nominations for seven Tony Awards, winning two (plus an honorary award), and nine Drama Desk Awards, winning three. Four of the Broadway cast albums on which she has starred have won Grammy Awards.
Document 14: Morel's Invention (film): Morel's Invention (Italian: "L'invenzione di Morel" ) is a 1974 Italian science fiction film directed by Emidio Greco and starring Anna Karina. It is based on the novel "The Invention of Morel" by Adolfo Bioy Casares.
Document 15: Adolfo Bioy Casares: Adolfo Bioy Casares (] ; September 15, 1914 – March 8, 1999) was an Argentine fiction writer, journalist, and translator. He was a friend and frequent collaborator with his fellow countryman Jorge Luis Borges, and is the author of the fantastic fiction novel "The Invention of Morel".
ground_truth: yes