Information:  - Rome is a city and special "comune" (named "Roma Capitale") in Italy. Rome is the capital of Italy and of the Lazio region. With 2,870,336 residents in , it is also the country's largest and most populated "comune" and fourth-most populous city in the European Union by population within city limits. The Metropolitan City of Rome has a population of 4.3 million residents. The city is located in the central-western portion of the Italian Peninsula, within Lazio (Latium), along the shores of Tiber river. The Vatican City is an independent country geographically located within the city boundaries of Rome, the only existing example of a country within a city: for this reason Rome has been often defined as capital of two states.   - An arena is an enclosed area, often circular or oval-shaped, designed to showcase theater, musical performances, or sporting events. The word derives from Latin "harena", a particularly fine/smooth sand used to absorb blood in ancient arenas such as the Colosseum in Rome. It is composed of a large open space surrounded on most or all sides by tiered seating for spectators. The key feature of an arena is that the event space is the lowest point, allowing for maximum visibility. Arenas are usually designed to accommodate a large number of spectators.  - Newark is a small city in New Castle County, Delaware, west-southwest of Wilmington. According to the 2010 Census, the population of the city is 31,454. Newark is the home of the University of Delaware.  - Bob Carpenter Center is a 5,000 - seat multi-purpose arena , in Newark , Delaware , named in honor of benefactor and trustee , R. R. M. Carpenter , Jr. ( 1915 -- 1990 ) . Students at the University of Delaware have nicknamed it `` The Bob . '' The arena opened in 1992 and facility was designed by HOK Sport , who have been involved in more than 150 sports and recreation projects . The construction of the building cost $ 20.5 million . In late 2010 , the University constructed an addition , which includes two full - size basketball courts , new offices and locker rooms for the basketball and volleyball programs , and a new entrance plaza . The arena section of the building is named in honor of Frank E. Acierno , a local businessman and developer , who donated $ 1 million to the Bob Carpenter Center , the largest gift from a single donor . It is home to the University of Delaware Blue Hens basketball team , and beginning in fall of 2013 , the Delaware 87ers of the NBA Development League . It also hosted a preseason game for the Philadelphia 76ers vs the Boston Celtics . It hosted a campaign rally for Vice President Al Gore in 1996 and all or part of the 1997 - 2001 America East Conference men 's basketball tournaments . It also hosts other events , such as the WWE , music and comedy concerts , and craft fairs .    After reading the paragraphs above, we are interested in knowing the entity with which 'bob carpenter center' exhibits the relationship of 'architect'. Find the answer from the choices below.  Choices: - castle  - populous
Answer:
populous