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: If a set of sets is infinite or contains an infinite element, then its union is infinite. The powerset of an infinite set is infinite. Any superset of an infinite set is infinite. If an infinite set is partitioned into finitely many subsets, then at least one of them must be infinite. Any set which can be mapped onto an infinite set is infinite. The Cartesian product of an infinite set and a nonempty set is infinite. The Cartesian product of an infinite number of sets each containing at least two elements is either empty or infinite; if the axiom of choice holds, then it is infinite.
 Question: is the union of two infinite sets always an infinite set Context: Beginning in late April to early May, nymphs hatch from their egg cases. A nymph passes through several immature stages. In the first stage it is wingless and looks black with white spots. It then grows red patches in addition to the white spots. Next, it has red wing pads and a red upper body, before assuming the adult look of black head and grayish wings with black spots. Nymphs cannot fly, so they hop or crawl to search for plants to feed on. Young nymphs appear to have a wider host range early on, which narrows as they grow older. As early as July, adults can be seen. In the fall, adults mate and lay eggs from late September through the onset of winter. In their native Indomalayan habitat they will lay their eggs preferably on the Tree of Heaven (Ailanthus altissima), which is an introduced invasive tree with toxic metabolites. This host choice is thought to have evolved as mechanism of protection from natural enemies. The lanternfly will lay eggs upon any smooth trunked tree, stone or vertical smooth surface, including man made items like vehicles, campers, yard furniture, farm equipment or other items stored outside. The egg masses contain 30-50 eggs, covered in a yellowish brown waxy deposit, the egg case. The lanternfly's life expectancy, is one year.
 Question: do spotted lantern flies die in the winter Context: The group winners, Spain, qualified directly for the 2018 FIFA World Cup. The group runners-up, Italy, advanced to the play-offs as one of the best 8 runners-up, where they lost to Sweden and thus failed to qualify for the first time since 1958.
 Question: did spain qualify for the 2018 world cup Context: Robert Barton Englund (born June 6, 1947) is an American actor, voice actor, singer, and director, best known for playing the infamous serial killer Freddy Krueger in the Nightmare on Elm Street film series. He received a Saturn Award nomination for Best Supporting Actor for A Nightmare on Elm Street 3: Dream Warriors in 1987 and A Nightmare on Elm Street 4: The Dream Master in 1988. Englund is a classically trained actor.
 Question: did the actor who played freddy krueger die
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