Context: Death from laughter is a rare form of death, usually resulting from cardiac arrest or asphyxiation, caused by a fit of laughter. Instances of death by laughter have been recorded from the times of ancient Greece to the modern day.
 Question: can you have a heart attack from laughing Context: Alton Towers Resort, often shortened to Alton Towers, is a theme park resort located in Staffordshire, England. It is near the village of Alton, in the parishes of Denstone and Farley. The resort, which is operated by Merlin Entertainments Group, incorporates a theme park, water park, mini golf and hotel complex. Originally a private estate, Alton Towers grounds opened to the public in 1860 to raise funds for the estate. In the late 20th century it was transformed into a theme park and opened a number of new rides from 1980 onwards. In 2017 it was the second most visited theme park in the UK after Legoland Windsor.
 Question: is there a water park at alton towers Context: The potato fruit is the part of the potato plant that after flowering, produces a poisonous green cherry tomato-like fruit.
 Question: is the fruit of a potato plant edible Context: Sunk costs are sometimes contrasted with prospective costs, which are future costs that may be incurred or changed if an action is taken. In that regard, both retrospective and prospective costs could be either fixed costs (continuous for as long as the business is in operation and unaffected by output volume) or variable costs (dependent on volume). However, many economists consider it a mistake to classify sunk costs as ``fixed'' or ``variable.'' For example, if a firm sinks $400 million on an enterprise software installation, that cost is ``sunk'' because it was a one-time expense and cannot be recovered once spent. A ``fixed'' cost would be monthly payments made as part of a service contract or licensing deal with the company that set up the software. The upfront irretrievable payment for the installation should not be deemed a ``fixed'' cost, with its cost spread out over time. Sunk costs should be kept separate. The ``variable costs'' for this project might include data centre power usage, for example.
 Question: is a fixed cost always a sunk cost Context: Black Label is a Canadian brand of lager distributed by Carling and well-known throughout the former British Empire. In several countries, it is also known as Carling Black Label, and in Sweden, it is known as Carling Premier. In the United Kingdom it is now known as just Carling.
 Question: do they still make carling black label beer Context: 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
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