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: Red velvet cake is traditionally a red, red-brown, or mahogany or maroon or crimson colored chocolate layer cake, layered with white cream cheese or ermine icing. The cake is commonly served on Christmas or Valentine's Day. Common modern red velvet cake is made with red dye,; however, the red color was originally due to non-Dutched, anthocyanin-rich cocoa.
 Question: is red velvet cake the same as chocolate Context: World War I was the first major conflict involving the large-scale use of aircraft. Tethered observation balloons had already been employed in several wars, and would be used extensively for artillery spotting. Germany employed Zeppelins for reconnaissance over the North Sea and Baltic and also for strategic bombing raids over Britain and the Eastern Front.
 Question: were there planes in the first world war Context: The middle ear is the portion of the ear internal to the eardrum, and external to the oval window of the inner ear. The mammalian middle ear contains three ossicles, which transfer the vibrations of the eardrum into waves in the fluid and membranes of the inner ear. The hollow space of the middle ear is also known as the tympanic cavity and is surrounded by the tympani bone. The auditory tube (also known as the Eustachian tube or the pharyngotympanic tube) joins the tympanic cavity with the nasal cavity (nasopharynx), allowing pressure to equalize between the middle ear and throat.
 Question: is the eardrum part of the middle ear Context: A vehicle identification number (VIN) is a unique code, including a serial number, used by the automotive industry to identify individual motor vehicles, towed vehicles, motorcycles, scooters and mopeds, as defined in ISO 3779:2009.
 Question: is a vin number the same as a serial number Context: The positron or antielectron is the antiparticle or the antimatter counterpart of the electron. The positron has an electric charge of +1 e, a spin of 1/2 (same as electron), and has the same mass as an electron. When a positron collides with an electron, annihilation occurs. If this collision occurs at low energies, it results in the production of two or more gamma ray photons (see electron--positron annihilation).
 Question: a positron is the antiparticle of the electron Context: They use the long flight to sort out their problems and remain together. After getting baby Ming-Mei from the adoption agency, Carrie finds out that she is pregnant. She is scared about the changes to come, but Doug is optimistic that they will be able to handle it together.
 Question: did they have a baby on king of queens Context: A 'light' symmetrical wing-clip will allow a bird to fly down and land safely while indoors. However such a clip may not prevent the bird from flying when outdoors, since lift is generated in proportion to wind speed. Many escaped birds which are recovered are found to have been clipped. So, while a light clip allows downward flight indoors, it does not prevent a bird gaining lift if it should escape outdoors. Conversely, a more severe clip will certainly render a bird flightless, but it increases the risk of injury if the bird falls and hits a hard surface. In addition to the physical effects of wing-clipping, there can be adverse behavioural effects. Birds use flight as an instinctive reflex action and as their first means of escaping any threat: they take to the air to fly upwards and away from the source of the threat; their fear then dissipates. Where this behaviour is prevented by wing-clipping, this innate reflex action is denied the bird, and its fear will not subside. This may cause behavioural problems for the afflicted bird. When a bird needs to reduce its speed during flight, it employs a 'reverse thrust' action by extending its wing at the wrist joint and using the drag of its primaries as air brakes. While the reduced function of the clipped bird's primaries prevent propulsion and therefore lift, this also reduces braking abilities, so clipped birds may crash-land at higher speeds than full-winged birds. Clipped birds should not be taken outdoors unrestrained, as even clipped birds have been known to fly away when spooked outdoors.
 Question: can birds fly if their wings are clipped
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