Question: Which a Ukrainian Canadian pornographic actress contributed to the "Get Rubber" campaign?

Context paragraphs:
Centre for Ukrainian Canadian Studies: The Centre for Ukrainian Canadian Studies (CUCS) was founded in 1981, as a joint creation between the University of Manitoba and St. Andrew's College.  The mission of the Centre is to create, preserve and communicate knowledge dealing with Ukrainian Canadian culture and scholarship.  It is located in Winnipeg, Manitoba.

Sweetheart Video: Sweetheart Video is a Canadian pornographic film studio based in Montreal, Quebec.  The studio was founded by Jonathan Blitt and pornographic actress Nica Noelle in 2008, and it specializes in lesbian-themed films.  Noelle initially wrote and directed all the films, but she left the studio in 2011.  Subsequent films were initially written and directed by other people in the adult industry, including Melissa Monet, Dana Vespoli, and James Avalon; Vespoli now exclusively writes and directs all the films.

Joseph Oleskiw: Dr. Joseph Oleskiw or Jósef Olesków (Ukrainian: , September 28, 1860 – October 18, 1903) was a Ukrainian professor of agronomy who promoted Ukrainian immigration to the Canadian prairies.  His efforts helped encourage the initial wave of settlers which began the Ukrainian Canadian community.

SUSK: “Cоюз Українськoгo Студентства Канади” (CУСК), “Ukrainian Canadian Students’ Union”, or “Union des Étudiants Ukrainiens Canadiens” is a national student organization composed of Ukrainian Students’ Organizations (USOs) at post-secondary institutions across Canada.  It was formed in 1953 in Winnipeg, Manitoba.  Though it fell inactive in 2001, SUSK was revived at the XXII Congress of Ukrainian Canadians held in Winnipeg, in October 2007.  SUSK is also a National Member of the Ukrainian Canadian Congress.

Get Rubber: The Get Rubber campaign is an STI awareness campaign spearheaded by the Brazzers network that focuses on the global HIV/AIDS crisis.  The campaign is centered on the bringing awareness to adult industry consumers using a series of public service announcements featuring adult video stars such as Bree Olson, Rachel_Roxxx and Nikki Benz.  The aims is to remind consumers of pornographic material that adult content is created in a controlled setting and is not to be imitated irresponsibly.

Nikki Benz: Alla Montchak (Russian: А́лла Монча́к , born December 11, 1981), better known by her stage name Nikki Benz, is a Ukrainian Canadian pornographic actress.  She was also a 2010 Penthouse Pet who was selected as the 2011 Pet of the Year.

Canadian Ukrainian: Canadian Ukrainian (Ukrainian: кана́дсько-украї́нська мо́ва , "kanadsko-ukrainska mova " , ] ) is a dialect of the Ukrainian language specific to the Ukrainian Canadian community descended from the first two waves of historical Ukrainian emigration to Western Canada.

Ukrainian Canadian Congress: The Ukrainian Canadian Congress (UCC) describes itself as being the representative of the Ukrainian Canadian community before the people and Government of Canada, promotes linkages with Ukraine and identifies and addresses the needs of the Ukrainian community in Canada to ensure its continued existence and development for the enhancement of Canada’s socio-cultural fabric.  Originally known as the Ukrainian Canadian Committee, it was established as a result of the efforts of the Ukrainian Canadian community in November 1940 by the Government of Canada.

Jaroslav Rudnyckyj: Jaroslav Bohdan Rudnyckyj, OC (Ukrainian: Яросла́в-Богда́н Рудни́цький ; November 18, 1910 – October 19, 1995) was a Ukrainian Canadian linguist, lexicographer with a specialty in etymology and onomastics, folklorist, bibliographer, travel writer, and publicist.  He was one of the pioneers of Slavic Studies in Canada and one of the founding fathers of Canadian "Multiculturalism".  In scholarship, he is best known for his incomplete two volume "Etymological Dictionary of the Ukrainian Language" (1962–82), his "Ukrainian-German Dictionary" (1943), and his extensive study of the term and name "Ukraine" (1951).

Ukrainian Canadian Civil Liberties Association: The Ukrainian Canadian Civil Liberties Association (UCCLA) is an independent, non-partisan educational and research organization.  Established in 1986 after the Civil Liberties Commission (affiliated with the Ukrainian Canadian Congress) was disbanded, its members – all of whom are volunteers – have been particularly active in championing the cause of recognition, restitution and reconciliation with respect to Canada's first national internment operations, helping secure a redress settlement in 2008 with the Government of Canada along with the Ukrainian Canadian Congress and the Taras Shevchenko Foundation (see InternmentCanada.ca).  They have also challenged allegations about "Nazi war criminals" hiding in Canada, have exposed the presence in Canada of veterans of the NKVD/SMERSH/KGB, have helped raise public awareness about Soviet and Communist war crimes and crimes against humanity (in particular about the genocidal Great Famine of 1932–1933 in Soviet Ukraine, the "Holodomor"), and have made numerous public representations, articulating the interests of Canada's Ukrainian community.  The first chairman of the CLC/UCCLA was John B. Gregorovich, a lawyer.  The current chairman is Roman Zakaluzny; the immediate past president was Professor Lubomyr Luciuk.

Supporting paragraphs: Get Rubber Nikki Benz
Answer: Nikki Benz