Context: Reebok is a global athletic footwear and apparel company, operating as a subsidiary of German sportswear giant Adidas since 2005. Reebok produces and distributes fitness and sports items including shoes, workout clothing and accessories, and training equipment. Reebok is the official footwear and apparel sponsor for UFC, CrossFit, Spartan Race, and Les Mills., Aerobics is a form of physical exercise that combines rhythmic aerobic exercise with stretching and strength training routines with the goal of improving all elements of fitness (flexibility, muscular strength, and cardio-vascular fitness). It is usually performed to music and may be practiced in a group setting led by an instructor (fitness professional), although it can be done solo and without musical accompaniment. With the goal of preventing illness and promoting physical fitness, practitioners perform various routines comprising a number of different dance-like exercises. Formal aerobics classes are divided into different levels of intensity and complexity. A well-balanced aerobics class will have five components: warm-up (5-10 minutes), cardio vascular conditioning (25-30 minutes), muscular strength and conditioning (10-15 minutes), cool-down (5-8 minutes) and stretching and flexibility (5-8 minutes). Aerobics classes may allow participants to select their level of participation according to their fitness level. Many gyms offer a variety of aerobic classes. Each class is designed for a certain level of experience and taught by a certified instructor with a specialty area related to their particular class., Reebok Freestyle is an athletic shoe style introduced in 1982 by Reebok . The Freestyle was the first shoe specifically designed and marketed for women . It helped Reebok into the mainstream athletic wear market and fashion scene along with becoming one of the most popular athletic shoes of all time . In 1984 , the shoe accounted for more than half of the Reebok sales . The Reebok Freestyle was popular during the 1980s aerobics craze , and is still in production and remodeled through various collections and style variations ., CrossFit is a branded fitness regimen created by Greg Glassman and is a registered trademark of CrossFit, Inc. which was founded by Greg Glassman and Lauren Jenai in 2000. Promoted as both a physical exercise philosophy and also as a competitive fitness sport, CrossFit workouts incorporate elements from high-intensity interval training, Olympic weightlifting, plyometrics, powerlifting, gymnastics, girevoy sport, calisthenics, strongman, and other exercises. It is practiced by members of over 13,000 affiliated gyms, roughly half of which are located in the United States, and by individuals who complete daily workouts (otherwise known as "WODs" or "workouts of the day")., Leslie Roy "Les" Mills (born 1 November 1934) is a retired New Zealand track and field athlete and politician. He represented New Zealand at the Olympic Games and Commonwealth Games over two decades, competing in the shot put and discus throw. At the 1966 British Empire and Commonwealth Games he achieved his best result, a gold medal in the discus., Subject: reebok freestyle, Relation: sport, Options: (A) crossfit (B) gymnastics (C) music (D) sport (E) track and field (F) weightlifting
Output: gymnastics