Compose a new way to ask the same question. The new question must be asking the exact same thing as the original question does. Without any other information, you should be able to tell that the original question and the new question are the same. Preserve bracketed phrases in your new question. You can change the rest of the question provided the above requirements are satisfied. The new question must have a natural, fluent formulation, as if it were composed by a native English speaker. You will be given three pieces of information to help you create better questions. Those are: "Answer": the answer to the question, e.g., "Honolulu". "Answer Type": the type of the answer, e.g., "Location". "Auxiliary Information" is a detailed description of some concepts mentioned in the question, if any.

[Q]: original question: What rocket engine runs on [Ethanol] and delivers a thrust in vacuum not exceeding [490000.0]?
answer: rd-100, rd-101
answer type: Bipropellant rocket engine.
auxiliary information: Ethanol /Àà…õŒ∏…ôn…íl/, also commonly called ethyl alcohol, drinking alcohol, or simply alcohol is the principal type of alcohol found in alcoholic beverages, produced by the fermentation of sugars by yeasts. It is a neurotoxic psychoactive drug and one of the oldest recreational drugs used by humans. It can cause alcohol intoxication when consumed in sufficient quantity. Ethanol is a volatile, flammable, colorless liquid with a slight chemical odor. It is used as an antiseptic, a solvent, a fuel, and, due to its low freezing point, the active fluid in post-mercury thermometers. Its structural formula, CH 3CH 2OH, is often abbreviated as C 2H 5OH, C 2H 6O or EtOH.
[A]: What rocket engine running on [Ethanol] delivers a thrust in vacuum less than or equal to [490000.0]?


[Q]: original question: Which file format is of the same genre as the container for [JPEG]?
answer: bmp file format, vrml, content sealed format...
answer type: File Format.
auxiliary information: A file extension for JPEG formatted image files.
[A]: The container for [JPEG] shares the same genre of which file format?


[Q]: original question: Which composition written by [Johnny Mercer] has subject as [Savannah]?
answer: moon river
answer type: Composition.
auxiliary information: Savannah is the oldest city in the U.S. state of Georgia and is the county seat of Chatham County. Established in 1733, the city of Savannah became the British colonial capital of the Province of Georgia and later the first state capital of Georgia. A strategic port city in the American Revolution and during the American Civil War, Savannah is today an industrial center and an important Atlantic seaport. It is Georgia's fifth-largest city and third-largest metropolitan area. Each year Savannah attracts millions of visitors to its cobblestone streets, parks, and notable historic buildings: the birthplace of Juliette Gordon Low, the Georgia Historical Society, the Telfair Academy of Arts and Sciences, the First African Baptist Church, Temple Mickve Israel, and the Central of Georgia Railway roundhouse complex. Savannah's downtown area, which includes the Savannah Historic District, the Savannah Victorian Historic District, and 22 parklike squares, is one of the largest National Historic Landmark Districts in the United States. Downtown Savannah largely retains the original town plan prescribed by founder James Oglethorpe.Johnny Mercer:;Type: Songwriter. ;
[A]:
What composition written by [Johnny Mercer] has the subject of [Savannah]?