Please answer the following question: Information:  - North America is a continent entirely within the Northern Hemisphere and almost all within the Western Hemisphere. It can also be considered a northern subcontinent of the Americas. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the west and south by the Pacific Ocean, and to the southeast by South America and the Caribbean Sea.  - Cobo Center (formerly Cobo Hall) is a convention center situated along Jefferson and Washington avenues in downtown Detroit, Michigan. It was named after Albert Cobo, mayor of Detroit from 1950 to 1957. Designed by Gino Rossetti, the center opened in 1960. Expanded in 1989, the present complex contains of exhibition space, with 623,000 square feet contiguous. Preliminary construction to update and further expand the center's exhibition space began October 1, 2009, by the facility's current owner, the Detroit Regional Convention Facility Authority (DRCFA). Along with adjacent Joe Louis Arena, the center is served by the Detroit People Mover with its own station. Cobo Center has several large, attached parking garages, and direct access to the Lodge Freeway. The facility is located along the Detroit International Riverfront.  - The North American International Auto Show (NAIAS) is an annual auto show held in Detroit, Michigan at Cobo Center, usually in January. It is among the largest auto shows in North America.  - Technology ("science of craft", from Greek , "techne", "art, skill, cunning of hand"; and , "-logia") is the collection of techniques, skills, methods and processes used in the production of goods or services or in the accomplishment of objectives, such as scientific investigation. Technology can be the knowledge of techniques, processes, and the like, or it can be embedded in machines which can be operated without detailed knowledge of their workings.  - Harley J. Earl (November 22, 1893  April 10, 1969) was an American automotive designer and business executive. He was the initial designated head of Design at General Motors, later becoming Vice President, the first top executive ever appointed in Design of a major corporation in American history. He was an industrial designer and a pioneer of modern transportation design. A coachbuilder by trade, Earl pioneered the use of freeform sketching and hand sculpted clay models as automotive design techniques. He subsequently introduced the "concept car" as both a tool for the design process and a clever marketing device.  - Michigan is a state in the Great Lakes and Midwestern regions of the United States. The name Michigan is the French form of the Ojibwa word "mishigamaa", meaning "large water" or "large lake". Michigan is the tenth most populous of the 50 United States, with the 11th most extensive total area (the largest state by total area east of the Mississippi River). Its capital is Lansing, and its largest city is Detroit.  - An auto show, also known as a motor show or car show, is a public exhibition of current automobile models, debuts, concept cars, or out-of-production classics. It is attended by automotive industry representatives, dealers, auto journalists and car enthusiasts. Most auto shows occur once or twice a year. They are important to car manufacturers and local dealers as a public relations exercise, as they advertising new products and promote auto brands. The five most prestigious auto shows, sometimes called the "Big Five", are generally considered to be held in Frankfurt, Geneva, Detroit, Paris and Tokyo.  - Detroit is the most populous city in the U.S. state of Michigan, the fourth-largest city in the Midwest and the largest city on the United StatesCanada border. It is the seat of Wayne County, the most populous county in the state.  - A concept car (also known as concept vehicle, show vehicle or prototype) is a car made to showcase new styling and/or new technology. They are often shown at motor shows to gauge customer reaction to new and radical designs which may or may not be mass-produced. General Motors designer Harley Earl is generally credited with inventing the concept car, and did much to popularize it through its traveling Motorama shows of the 1950s.  - The Ford SYNus is a concept car produced by Ford and created by the Spanish designer Jose Paris ( exterior design ) and Joe Baker ( interior ) . The SYNus debuted at the 2005 North American International Auto Show . The unusual name , which is pronounced `` sin - you - ehs '' , comes from the words synthesis ( synthesis of the tough exterior and the soft interior ) and US , which stands for Urban Sanctuary . Its name is a homophone of sinuous , which means curving , or graceful .    'ford synus' is related to which object entity through the relation of 'subclass of'?  Choices: - arena  - art  - auto show  - automobile  - automotive industry  - border  - capital  - city  - clay  - collection  - concept  - construction  - continent  - convention  - county  - craft  - designer  - earl  - exhibition  - general  - greek  - hall  - knowledge  - lake  - marketing  - mayor  - name  - ocean  - parking  - people  - president  - production  - prototype  - public  - radical  - sea  - skill  - space  - state  - station  - technology  - year
Answer:
automobile