Question: Rosario Castellanos and Ivor Gurney, have which mutual occupation?

Context paragraphs:
A Soldier and a Maker: A Soldier and a Maker is a piece of musical theatre by Iain Burnside on the life story of the First World War poet and composer Ivor Gurney.  It was premiered in April 2012 at the Guildhall School of Music and Drama, with Richard Goulding as Gurney.  The production was designed by Giuseppe and Emma Belli.  It was later adapted into a radio play broadcast on BBC Radio 3 on 29 June 2014 as part of the "Music in the Great War" season.  The radio adaptation retained many of the stage cast.

Ethna Carbery: Ethna Carbery (born Anna Johnston, 3 December 1864 – 2 April 1902) was an Irish journalist, writer and poet.  She is best known for the ballad "Roddy McCorley" and the "Song of Ciabhán"; the latter was set to music by Ivor Gurney.  Along with Alice Milligan she published two Irish nationalist magazines.

World War I in literature: Literature in World War I is generally thought to include poems, novels and drama; diaries, letters, and memoirs are often included in this category as well.  Although the canon continues to be challenged, the texts most frequently taught in schools and universities are lyrics by Siegfried Sassoon and Wilfred Owen; poems by Ivor Gurney, Edward Thomas, Charles Sorley, David Jones and Isaac Rosenberg are also widely anthologised.  Many of the works during and about the war were written by men, because of the war's intense demand on the young men of that generation; however, a number of women (especially in the British tradition) created literature about the war, often observing the effects of the war on soldiers, domestic spaces, and the homefront more generally.

Cristina Pacheco: Cristina Pacheco is a journalist, writer, interviewer and television personality who lives and works in Mexico City.  While her journalism career began in 1960, continuing with regular columns in La Jornada, she is best known for her work in television, hosting two shows called Aquí nos tocó vivir and Conversando, con Cristina Pacheco, both on Once TV since 1980.  Which these shows, Pacheco interviews notable people and profiles popular Mexican culture, which includes interviews with common people.  She has received over forty prizes and other recognitions for her work including Mexico’s National Journalism Prize and the first Rosario Castellanos a la Trayectoria Cultural de la Mujer Award for outstanding women in the Spanish-speaking world.

Barnwood House Hospital: Barnwood House Hospital (1860–1968) was a private mental hospital in Barnwood, Gloucester, England.  It was founded by the Gloucester Asylum Trust in 1860 as Barnwood House Institution and later became known as Barnwood House Hospital.  The hospital catered for well-to-do patients, with reduced terms for those in financial difficulties.  It was popular with the military and clergy, and once counted an Archbishop amongst its patients.  During the late nineteenth century Barnwood House flourished under superintendent Frederick Needham, making a healthy profit and receiving praise from the Commissioners in Lunacy.  Even the sewerage system was held up as a model of good asylum practice.  After World War I service patients, including war poet and composer Ivor Gurney, were treated with a regime of psychotherapy and recreations such as cricket.

Rosario Castellanos: Rosario Castellanos Figueroa (] ; 25 May 1925 – 7 August 1974) was a Mexican poet and author.  Along with the other members of the Generation of 1950 (the poets who wrote following the Second World War, influenced by César Vallejo and others), she was one of Mexico's most important literary voices in the last century.  Throughout her life, she wrote eloquently about issues of cultural and gender oppression, and her work has influenced feminist theory and cultural studies.  Though she died young, she opened the door of Mexican literature to women, and left a legacy that still resonates today.

Centro Cultural Bella Época: The Centro Cultural Bella Epoca is a cultural 3,000 square meter cultural centre in the Condesa neighborhood in Mexico City.  It includes the Rosario Castellanos bookshop (claimed to be the largest bookshop in Latin America) which carries over 35 thousand different titles, and has a children’s area, a coffee shop, and reading facilities.  The "Cine Lido" art cinema and "Galería Luis Cardoza y Aragón" art gallery are also housed in the cultural center.

Ivor Gurney: Ivor Bertie Gurney (28 August 1890 – 26 December 1937) was an English poet and composer, particularly of songs.

A Cradle Song (W. B. Yeats poem): "A Cradle Song" is a poem by W. B. Yeats.  The earlier version by Yeats was set as a war song by Ivor Gurney (1920).

Joseph Campbell (poet): Joseph Campbell (July 15, 1879 – June 1944) was an Irish poet and lyricist.  He wrote under the Gaelic form of his name Seosamh Mac Cathmhaoil (also Seosamh MacCathmhaoil) Campbell being a common anglicization of the old Irish name MacCathmhaoil.  He is now remembered best for words he supplied to traditional airs, such as "My Lagan Love" and "Gartan Mother's Lullaby"; his verse was also set to music by Arnold Bax and Ivor Gurney.

Supporting paragraphs: Rosario Castellanos Ivor Gurney
Answer: poet