Question: Stuart O'Keeffe was a brand ambassador for what home products line that includes preparation, storage, containment, and serving products?

Context paragraphs:
Stuart O'Keeffe: Stuart O’Keeffe (born Stuart Denis O'Keeffe, September 15, 1981) is an Irish celebrity chef, food writer, and television personality best known for his appearance on the Food Network’s "Private Chefs of Beverly Hills" and other TV shows.  He was a brand ambassador for Tupperware and served as their North American chef from 2008-2011.  O’Keeffe resides in West Hollywood, California.

Milind Gunaji: Milind Gunaji (born 23 July 1961) is an Indian actor, model, television show host, and author, most known for his roles in Marathi and Hindi cinema.  He made his first film appearance in 1993's "Papeeha" and has since performed in over 60 films and acted as the host of the Zee Marathi channel travel show "Bhatkanti".  Gunaji has served as the Government of Maharashtra's brand ambassador for forest and wildlife.  Currently he is the brand ambassador for Hill Station Mahabaleshwar.

Brand ambassador: A Brand Ambassador (sometimes also called a Corporate Ambassador) is a person who is hired by an organization or company to represent a brand in a positive light and by doing so help to increase brand awareness and sales.  The brand ambassador is meant to embody the corporate identity in appearance, demeanor, values and ethics.  The key element of brand ambassadors is their ability to use promotional strategies that will strengthen the customer-product-service relationship and influence a large audience to buy and consume more.  Predominantly, a brand ambassador is known as a positive spokesperson, an opinion leader or a community influencer, appointed as an internal or external agent to boost product or service sales and create brand awareness.  Today, "brand ambassador" as a term has expanded beyond celebrity branding to self-branding or personal brand management.  Professional figures such as good-will and non-profit ambassadors, promotional models, testimonials and brand advocates have formed as an extension of the same concept, taking into account the requirements of every company.

Microsoft Home: Microsoft Home is a defunct line of software applications and personal hardware products published by Microsoft.  Microsoft Home software titles first appeared in the middle of 1993.  These applications were designed to bring multimedia to Microsoft Windows and Macintosh personal computers.  With more than 60 products available under the Microsoft Home brand by 1994, the company's push into the consumer market took off.  Microsoft also announced at that time Microsoft Plus! , an add-on enhancement package for Windows, which was continued until the Windows XP era.  The range of home software catered for many different consumer interests from gaming with Microsoft Arcade and Entertainment Packs to reference titles such as Microsoft Encarta, Bookshelf and Cinemania.  Shortly after the release of Microsoft Windows 95, the company began to reduce the price of Microsoft Home products and by the rise of the World Wide Web by 1998, Microsoft began to phase out the line of software.

Prachi Desai: Prachi Desai (born 12 September 1988) is an Indian Bollywood film and television actress.  She started her television career as lead protagonist in the successful TV drama "Kasamh Se" on Zee TV.  She made her Bollywood debut in the 2008 film "Rock On!! ".  Her other notable features include "Once Upon a Time in Mumbaai" (2010), "Bol Bachchan" (2012) and "I, Me Aur Main" (2013).  She is also the endorser, spokesperson, brand ambassador and the face of Goa Tourism and Neutrogena products in India.  Desai is also a brand ambassador of Lux Lyra.

Harriadnie Beau: Harriadnie Beau Phipps (born 3 May 1993) (pron: "Harri-add-nee-bow", "hɛri-æd-ni bo") is an English fashion model and brand ambassador.  She appeared in numerous publications and media to promote various brands and products, including Vogue, Elle, "Ok!  Extra" magazine, "FaceOn" magazine, HMH Couture, Pia Michi, Jensen Interceptor specialist Cropredy Bridge, UK Tights, celebrity club Sugar Hut, and Anoosh.  In 2012, Beau was a judge in a fashion show.  She turned down a role in the reality television series "The Only Way Is Essex" to focus upon her career in haute couture fashion.  In 2012 she was appointed brand ambassador to the Tushek T500, Slovenia's only supercar.  In 2014 Harriadnie Beau unveiled the Jensen FF alongside CAR SOS presenter Fuzz Townshend.

Cleo Ice Queen: Clementina Mulenga (born June 14, 1989), professionally known as Cleo or Cleo Ice Queen is a Zambian born hip hop recording artist, Proflight Zambia brand ambassador, Maximum Diva Woman Condom brand ambassador, model and Television presenter.  She is best known for her role in Big Brother Africa (The chase) in 2013 and 2015 AFRIMMA Best Female in Southern Africa.

Tupperware: Tupperware is the name of a home products line that includes preparation, storage, containment, and serving products for the kitchen and home.  It also includes plastic containers used to store goods and/or food.  In 1942, Earl Tupper developed his first bell shaped container; the brand products were introduced to the public in 1948.

Matthew Fergusson-Stewart: Matthew Fergusson-Stewart is an Australian living in Singapore, where he is the Asia Pacific regional brand ambassador for Glenfiddich, distilled by William Grant & Sons.  In January 2017 he was named the "Icons of Whisky" Scotch Whisky Brand Ambassador of the Year by Whisky Magazine.

James Charles (model): James Charles Dickinson (born May 23, 1999), known professionally as James Charles, is an American Internet personality and model.  On October 11, 2016, at the age of seventeen, he became the first male spokesmodel for cosmetics brand CoverGirl, working alongside brand ambassador Katy Perry.  As the first male spokesmodel and brand ambassador for CoverGirl, Charles will be the face of the soon-to-be launched "So Lashy!"  by BlastPro Mascara.

Supporting paragraphs: Stuart O'Keeffe Tupperware
Answer: Tupperware