In this task you will be given a passage and a yes/no question based on the passage. You should answer the question using the information from the passage.
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Question: passage: Diesel engines, unlike gasoline engines, do not use spark plugs to induce combustion. Instead, they rely solely on compression to raise the temperature of the air to a point where the diesel combusts spontaneously when introduced to the hot high pressure air. The high pressure and spray pattern of the diesel ensures a controlled, complete burn. The piston rises, compressing the air in the cylinder; this causes the air's temperature to rise. By the time the piston reaches the top of its travel path, the temperature in the cylinder is very high. The fuel mist is then sprayed into the cylinder; it instantly combusts, forcing the piston downwards, thus generating power. The pressure required to heat the air to that temperature, however, requires a large and strong engine block.
 question: is there a spark plug in diesel engine?

Answer: No


Question: passage: The term Salt Belt refers to states, in the United States, in which large quantities of salt are applied to roads during the winter season to control snow and ice. States in the salt belt include Alaska, Connecticut, Delaware, Illinois, Indiana, Iowa, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, North Dakota, Ohio, Pennsylvania, Rhode Island, South Dakota, Vermont, Virginia, West Virginia, Wisconsin, and Washington DC. Other states such as Colorado and Utah are also considered part of the Salt Belt but use less corrosive substances.
 question: do they salt the roads in washington state?

Answer: No


Question: passage: Ninhydrin (2,2-dihydroxyindane-1,3-dione) is a chemical used to detect ammonia or primary and secondary amines. When reacting with these free amines, a deep blue or purple color known as Ruhemann's purple is produced. Ninhydrin is most commonly used to detect fingerprints, as the terminal amines of lysine residues in peptides and proteins sloughed off in fingerprints react with ninhydrin. It is a white solid which is soluble in ethanol and acetone at room temperature. Ninhydrin can be considered as the hydrate of indane-1,2,3-trione.
 question: can ninhydrin be a useful indicator of proteins?

Answer:
Yes