Premise: Dame Agatha Mary Clarissa Christie , Lady Mallowan , DBE ( née Miller ; 15 September 1890 -- 12 January 1976 ) was an English crime novelist , short story writer and playwright . Most of her books and short stories have been adapted for television , radio , video games and comics , and more than thirty feature films have been based on her work . The Mousetrap is a murder mystery play by Agatha Christie . The Murder of Roger Ackroyd is a work of detective fiction by Agatha Christie , first published in June 1926 in the United Kingdom by William Collins , Sons and in the United States by Dodd , Mead and Company on 19 June 1926 . Witness for the Prosecution is a play adapted by Agatha Christie from her short story .
Hypothesis: Agatha Christie was a writer.
Label: ENTAILMENT