Premise: 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 . It is one of Christie 's best known and most controversial novels , its innovative twist ending having a significant impact on the genre .
Hypothesis: The Murder of Roger Ackroyd is a work of tree.
Label: CONTRADICTION