Question: Ian Young wrote Continuum that was a magazine publsuhed by a group that denied the existence of what?
Context: Scott Alexander Young (April 14, 1918 – June 12, 2005) was a Canadian journalist, sportswriter, novelist and the father of musicians Neil Young and Astrid Young.  Over his career, Young wrote 45 books, including novels and non-fiction for adult and youth audiences. Ian Young (born January 5, 1945) is an English-Canadian poet, editor, literary critic, and historian.  An alumnus of the University of Toronto, he founded Canada's first gay publishing company, Catalyst Press, in 1970.  His work has appeared in "Canadian Notes & Queries", "The Gay & Lesbian Review Worldwide", "Rites" and "Continuum", as well as in more than fifty anthologies.  He was a regular columnist for "The Body Politic" from 1975 to 1985 and for "Torso" between 1991 and 2008. "Cowgirl in the Sand" is a song written by Neil Young and first released on his 1969 album "Everybody Knows This Is Nowhere".  Young has also included the live versions of the song on several albums and on the Crosby, Stills, Nash and Young album "4 Way Street".  It has also been covered by The Byrds on their self-titled album.  Like two other songs from "Everybody Knows This Is Nowhere", "Cinnamon Girl" and "Down by the River", Young wrote "Cowgirl in the Sand" while he was suffering from the flu with a high fever at his home in Topanga, California. "You" is a song co-written and recorded by American country music artist Chris Young.  It was released in September 2011 as the second single from his album "Neon".  Young wrote the song with Luke Laird.  The song is about a lover being told that her charm is the only thing that affects him the most. Continuum was a magazine published by an activist group of the same name who denied the existence of HIV/AIDS. "Gettin' You Home (The Black Dress Song)" is a song co-written and recorded by American country music singer Chris Young.  It was released in February 2009 as the second single from his album "The Man I Want to Be" (2009), released on September 1, 2009.  Young wrote the song with Kent Blazy and Cory Batten.  The song garnered positive reviews from critics who praised the suggestive lyrics for sounding sexy and for being a great non-sellout single. "Drinkin' Me Lonely" is the debut single by American country music artist and winner of the season 4 Nashville Star competition Chris Young.  Young wrote the song with Larry Wayne Clark. Anthony Ian Young, Baron Young of Norwood Green (born 14 April 1942) is a British politician and Labour Party life peer in the House of Lords.   Rida Johnson Young (February 28, 1875 – May 8, 1926) was an American playwright, songwriter and librettist.  In her career, Young wrote over thirty plays and musicals, and over 500 songs.  She was inducted into the Songwriters Hall of Fame in 1970.  Some of her best-known lyrics include "Mother Machree" from the 1910 show "Barry of Ballymore", "Italian Street Song" and "I'm Falling in Love with Someone" from "Naughty Marietta", and "Will You Remember?"  from "Maytime". "Tomorrow" is a song co-written and recorded by American country music singer Chris Young.  It was released in February 2011 as the seventh single of his career, and the first from his album "Neon".  The song sold 30,000 digital downloads in its first week of release.  Young wrote with Anthony L. Smith and Frank J. Myers.
Answer: HIV/AIDS