Information:  - A compact car (North America), or small family car in British acceptation, is a classification of cars that are larger than a subcompact car but smaller than a mid-size car, equating roughly to the C-segment in Europe.  - Japan ("Nippon" or "Nihon" ; formally "" or "Nihon-koku", means "State of Japan") is a sovereign island nation in Eastern Asia. Located in the Pacific Ocean, It is lying off the eastern coast of the Asia Mainland (east of China, Korea, Russia) and stretching from the Sea of Okhotsk in the north to the East China Sea and near Taiwan in the southwest.   - Mazdaspeed (often stylized in all-caps as MAZDASPEED) is Mazda's in-house performance division. The company is a grass-roots racing team in Japan. Now owned by Mazda Motor Corporation, they build production model vehicles, become involved in motorsports development, and offer performance parts and accessories.  - Hiroshima is perhaps best known as the first city in history to be targeted by a nuclear weapon when the United States Army Air Forces (USAAF) dropped an atomic bomb on the city (and later on Nagasaki) at 8:15 a.m. on August 6, 1945, near the end of World War II.  - , commonly referred to just as Mazda, is a Japanese automaker based in Fuch, Aki District, Hiroshima Prefecture, Japan.  - The Mazda CX - 5 is a compact crossover SUV produced by Mazda starting in 2012 for the 2013 model year lineup . It is Mazda 's first car featuring the new KODO -- Soul of Motion Design language first shown in the Shinari concept vehicle in May 2011 . It shares a platform with Mazda3 and Mazda6 . It is also the first vehicle featuring the company 's full Skyactiv Technology suite , featuring a rigid , lightweight platform , combined with a new series of efficient engines and transmissions resulting in reduced emissions and fuel consumption . The Skyactiv Engine and Transmission Technologies were released in the 2012 Mazda3 compact sedan and hatchback .  - 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.  - The Mazda3 or Mazda 3 (known as the Mazda Axela in Japan, a combination of "accelerate" and "excellent" according to the Mazda Japanese source translated ) is a compact car manufactured in Japan by Mazda. It was introduced in 2003 as a 2004 model, replacing the Familia/323/Protegé. A performance-oriented version of the Mazda3 is marketed as the Mazdaspeed3 in North America, Mazdaspeed Axela in Japan and the Mazda3 MPS in Europe.  - History. The area around Hiroshima was formerly divided into Bingo Province and Aki Province. This location has been a center of trade and culture since the beginning of Japan's recorded history. Hiroshima is a traditional center of the Chgoku region and was the seat of the Mri clan until the Battle of Sekigahara.    After reading the paragraphs above, we are interested in knowing the entity with which 'mazda cx-5' exhibits the relationship of 'series'. Find the answer from the choices below.  Choices: - compact car  - family car  - house  - japan  - north america  - the city
The answer to this question is:
compact car