Question: Who is both a poet and a novelist, Tim O'Brien or Lavinia Greenlaw?
Context: Lavinia Norcross Dickinson (February 28, 1833 – August 31, 1899) was the younger sister of American poet Emily Dickinson. Lavinia Greenlaw (born 30 July 1962) is an English poet and novelist.  Her most recent work is "A Double Sorrow: A Version of Troilus and Criseyde", which was shortlisted for the Costa Poetry Award in 2014. William Timothy "Tim" O'Brien (born October 1, 1946) is an American novelist.  He best known for his "The Things They Carried" (1990), a collection of linked short stories.  These semi-autobiographical stories were inspired by O'Brien's experiences in the Vietnam War.  In 2010 the "New York Times" described O'Brien's book as a Vietnam classic.  In addition, he is known for his war novel, "Going After Cacciato" (1978), also about wartime Vietnam, and later novels about postwar lives of veterans. Lavinia Cohn-Sherbok (born Surrey, England) is a novelist, the author of numerous books about Judaism and The Rocky Horror Picture Show is a 1975 British-American musical screwball comedy horror film by 20th Century Fox produced by Lou Adler and Michael White and directed by Jim Sharman.  The screenplay was written by Sharman and actor Richard O'Brien, who appears in the film, which is based on the 1973 musical stage production "of the same title", with music, book, and lyrics by O'Brien.  The production is a parody tribute to the science fiction and horror B movies of the 1930s through to the early 1970s.  Along with O'Brien, the film stars Tim Curry, Susan Sarandon, and Barry Bostwick and is narrated by Charles Gray with cast members from the original Royal Court Theatre, Roxy Theatre, and Belasco Theatre productions. Lakdhas Wikkrama Sinha (Sinhala: ලක්දාස් වික්‍රමසිංහ, 1941–1978) was a Sri Lankan poet who wrote in English and Sinhala.  He was educated at St Thomas' College, Mount Lavinia, Sri Lanka, and studied law before becoming an English teacher.  His interest in Sinhala literature led him to experiment with methods of fusing Western and South Asian traditions creatively in his own writing. The course is split into four strands: Prose, Creative Non-Fiction, Poetry and Scriptwriting (which is Skillset accredited).  All four result in an M.A. qualification upon successful completion of the course.  The Course Directors are currently Andrew Cowan, Kathryn Hughes, Lavinia Greenlaw and Val Taylor respectively.  Course tutors include Amit Chaudhuri, Trezza Azzopardi, Giles Foden, Tobias Jones, James Lasdun, Jean McNeil, Margaret Atwood and George Szirtes. Law of the Range is a 1941 American film directed by Ray Taylor using a screenplay by Sherman L. Lowe which is based on a story by Charles E. Barnes.  The film starred Johnny Mack Brown as Steve Howard, Fuzzy Knight as Chap, Nell O'Day as Mary O'Brien, Riley Hill as The Wolverine Kid, Janet Warren as Virginia O'Brien, Pat O'Malley as Mr. Howard, Hal Taliaferro as Tim O'Brien, Charles King as Henchman Walt, Ethan Laidlaw as Henchman Jeff Hobart, Jack Rockwell as Sheriff Henderson, Al Bridge as Jamison, Jerome Harte as Henchman Kurt, and Terry Frost as Sam Emery. House of Splendid Isolation is a 1994 novel by Irish novelist Edna O'Brien.  The novel depicts the relations of an Irish Republican Army terrorist and his hostage, an elderly woman.  The novel blends an attempt at thriller, with O'Brien's deep exploration of Irish society.  Reception of the novel was not very good, especially in comparison to O'Brien's previous novels. Frances Mary Lavinia Polidori, "later" Rossetti (27 April 1800 – 8 April 1886), is noted for her family connections rather than in her own right; in particular, two of her children were co-founders of the Pre-Raphaelite Brotherhood, and another became a famous poet.
Answer: Lavinia Greenlaw