Please answer the following question: Information:  - Top Chef Masters is an American reality competition series that airs on the cable television network Bravo , and premiered June 10 , 2009 . It is a spinoff of Bravo 's hit show Top Chef . In the series , world - renowned chefs compete against each other in weekly challenges . This show is a contrast from Top Chef , which typically features younger professional cooks who are still rising in the food service industry .  - A chef is a highly trained and skilled professional cook who is proficient in all aspects of food preparation of a particular cuisine. The word "chef" is derived (and shortened) from the term "chef de cuisine", the director or head of a kitchen. Chefs can receive both formal training from an institution, as well as through apprenticeship with an experienced chef.   - Top Chef is an American reality competition television series which premiered on March 8, 2006, on Bravo. The show features chefs competing against each other in various culinary challenges. They are judged by a panel of professional chefs and other notables from the food and wine industry with one or more contestants eliminated in each episode. The show is produced by Magical Elves Productions, the same company that created "Project Runway".  - Project Runway is an American reality television series on Lifetime, previously on the Bravo network, created by Eli Holzman which focuses on fashion design and is hosted by model Heidi Klum. The contestants compete with each other to create the best clothes and are restricted in time, materials and theme. Their designs are judged, and one or more designers are eliminated each week. During each season, selected competitors are progressively eliminated based on the judges' scores until only a few contestants remain; these finalists prepare a complete fashion collection for New York Fashion Week, from which a winner is determined. It won a Peabody Award in 2007 "for using the 'television reality contest' genre to engage, inform, enlighten and entertain."    Given the information above, choose from the list below the object entity that exhibits the relation 'instance of' with the subject 'top chef masters'.  Choices: - award  - competition  - director  - episode  - fashion  - food  - network  - preparation  - professional  - project  - reality television series  - season  - series  - television  - television series  - term  - theme  - training  - wine  - word
A:
television series