Please answer the following question: Information:  - Cedar Point is a amusement park located on a Lake Erie peninsula in Sandusky, Ohio. Opened in 1870, it is the second-oldest operating amusement park in the United States behind Lake Compounce. Cedar Point is owned and operated by Cedar Fair and is considered the flagship of the amusement park chain. Known as "America's Roller Coast", the park features a world-record 71 rides, including 16 roller coasters which are second-most in the world behind Six Flags Magic Mountain. Its newest roller coaster, Valravn, opened in May 2016.  - Gilroy is a city located in Northern California's Santa Clara County. The city's population was 48,821 at the 2010 United States Census.  - An amusement park (sometimes referred to as a funfair) or theme park is a group of entertainment attractions, rides, and other events in a location for the enjoyment of large numbers of people. Amusement parks have a fixed location, as opposed to travelling funfairs and traveling carnivals, and are more elaborate than simple city parks or playgrounds, usually providing attractions meant to cater specifically to certain age groups, as well as some that are aimed towards all ages. Theme parks, a specific type of amusement park, are usually much more intricately themed to a certain subject or group of subjects than normal amusement parks.  - Cedar Fair, L.P., doing business as the Cedar Fair Entertainment Company, is a publicly traded partnership headquartered at its Cedar Point amusement park in Sandusky, Ohio. The company owns and operates eleven amusement parks, two outdoor water parks, one indoor water park, and five hotels. Cedar Fair also manages Gilroy Gardens under contract with the city of Gilroy, California.  - Ohio is an Eastern state in the Great Lakes region of the United States. Ohio is the 34th largest by area, the 7th most populous, and the 10th most densely populated of the 50 United States. The state's capital and largest city is Columbus.  - Gilroy Gardens Family Theme Park (formerly known as Bonfante Gardens) is a garden themed family theme park in Gilroy, California, United States. The park has 22 rides and five attractions. It is also home of the Circus Trees, created by Axel Erlandson. The park was designed and built by Michael Bonfante. It originally opened in July 2001. The park and the 536 acres it resides on is now owned by the City of Gilroy. Gilroy Gardens Family Theme Park (a 501(c)(3) corporation) operates the park, which is managed by Cedar Fair.  - A water park or waterpark is an amusement park that features water play areas, such as swimming pools, water slides, splash pads, spraygrounds (water playgrounds), lazy rivers, or other recreational bathing, swimming, and barefooting environments. Water parks in more current states of development may also be equipped with some type of artificial surfing or bodyboarding environment such as a wave pool or FlowRider.  - A brake is a mechanical device that inhibits motion by absorbing energy from a moving system. It is used for slowing or stopping a moving vehicle, wheel, axle, or to prevent its motion, most often accomplished by means of friction.  - Drop Tower : Scream Zone , is a general name given to drop tower thrill rides of varying sizes owned by five Cedar Fair amusement and theme parks , which include all five former Paramount Parks .  - A drop tower or big drop is a type of amusement ride incorporating a central structure or tower. Drop towers vary in height, passenger capacity, lift type, and brake type. Many are custom-made, although there are some mass-produced designs. Riders experience free-fall initially, followed by rapid heavy deceleration.    After reading the paragraphs above, we are interested in knowing the entity with which 'drop tower: scream zone' exhibits the relationship of 'instance of'. Find the answer from the choices below.  Choices: - age  - amusement park  - amusement ride  - brake  - capital  - chain  - circus  - city  - contract  - drop  - environment  - fair  - family  - five  - flagship  - garden  - home  - july  - lake  - location  - magic  - mass  - may  - park  - people  - point  - population  - rapid  - state  - structure  - swimming  - theme  - theme park  - tower  - vehicle  - water  - water park
Answer:
amusement ride