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: On November 16, 2010, Phusion Projects issued a press release announcing that the company would be reformulating all Four brand beverages to remove caffeine, guarana, and taurine from the products. The new product was reintroduced in January 2011.
 Question: does four loko still have caffeine in it Context: New Zealand has permitted dual or multiple citizenship since the creation of New Zealand citizenship on 1 January 1949, although dual citizens who actively acquired or exercised their other citizenship could lose their New Zealand citizenship if their continued citizenship was judged ``not conducive to the public good''. The modern wording is similar; dual citizens may lose New Zealand citizenship by acting ``in a manner that is contrary to the interests of New Zealand''. A New Zealand citizen who holds another citizenship may renounce their New Zealand citizenship (see below), although this may not be registered if they reside in New Zealand or the country is at war.
 Question: can i have dual citizenship in new zealand Context: The carapacial ridge has been found to play an essential role in the development of the turtle shell. Embryological analyses show that the carapacial ridge initiates the formation of the turtle shell. It causes axial arrest which causes the ribs to be dorsalized, the shoulder girdle to be rearranged and encapsulated in the rib cage, and the carapace to develop. O. semitestacea presents evidence of axial arrest that is observed in embryos but lacks fan-shaped ribs and a carapace. This suggests that the primitive carapacial ridge functioned differently and must have gained the function of mediating the ribs and carapace development later.
 Question: does a turtle's shell grow with them Context: The cougar (Puma concolor), also commonly known as the puma, mountain lion, panther, or catamount, is a large felid of the subfamily Felinae native to the Americas. Its range, from the Canadian Yukon to the southern Andes of South America, is the widest of any large wild terrestrial mammal in the Western Hemisphere. An adaptable, generalist species, the cougar is found in most American habitat types. It is the biggest cat in North America and the second-heaviest cat in the New World after the jaguar. Secretive and largely solitary by nature, the cougar is properly considered both nocturnal and crepuscular, although daytime sightings do occur. The cougar is more closely related to smaller felines, including the domestic cat (subfamily Felinae), than to any species of subfamily Pantherinae, of which only the jaguar is native to the Americas.
 Question: is mountain lion and cougar the same cat
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