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: Fractional oxidation states are often used to represent the average oxidation state of several atoms of the same element in a structure. For example, the formula of magnetite is Fe O , implying an average oxidation state for iron of +8/3. However, this average value may not be representative if the atoms are not equivalent. In a Fe O crystal below 120 K (−153 °C), two-thirds of the cations are Fe and one-third are Fe , and the formula may be more specifically represented as FeO Fe O .
 Question: can the oxidation state of an element be fractional Context: The Burj Khalifa (Arabic: برج خليفة‎, Arabic for ``Khalifa Tower''; pronounced English: /ˈbɜːrdʒ kəˈliːfə/), known as the Burj Dubai prior to its inauguration in 2010, is a skyscraper in Dubai, United Arab Emirates. With a total height of 829.8 m (2,722 ft) and a roof height (excluding antenna) of 828 m (2,717 ft), the Burj Khalifa has been the tallest structure and building in the world since its topping out in late 2008.
 Question: the burj khalifa in dubai is the world tallest building Context: The Amazon rainforest (Portuguese: Floresta Amazônica or Amazônia; Spanish: Selva Amazónica, Amazonía or usually Amazonia; French: Forêt amazonienne; Dutch: Amazoneregenwoud), also known in English as Amazonia or the Amazon Jungle, is a moist broadleaf forest in the Amazon biome that covers most of the Amazon basin of South America. This basin encompasses 7,000,000 km (2,700,000 sq mi), of which 5,500,000 km (2,100,000 sq mi) are covered by the rainforest. This region includes territory belonging to nine nations. The majority of the forest is contained within Brazil, with 60% of the rainforest, followed by Peru with 13%, Colombia with 10%, and with minor amounts in Venezuela, Ecuador, Bolivia, Guyana, Suriname and French Guiana. States or departments in four nations contain ``Amazonas'' in their names. The Amazon represents over half of the planet's remaining rainforests, and comprises the largest and most biodiverse tract of tropical rainforest in the world, with an estimated 390 billion individual trees divided into 16,000 species.
 Question: the amazon rainforest is the largest rainforest in the world Context: Flint is an inter-modal transportation center in Flint, Michigan. It is served by Amtrak's Blue Water route, and doubles as the intercity bus station for Amtrak Thruway Motorcoach and Indian Trails, as well as the local city bus service, the Flint Mass Transportation Authority, who owns the station.
 Question: is there an amtrak station in flint mi Context: The Nun is an upcoming American gothic supernatural horror film directed by Corin Hardy. The screenplay by Gary Dauberman is from a story by James Wan and Dauberman. It is a spin-off of 2016's The Conjuring 2 and the fifth installment in The Conjuring series, and stars Demián Bichir, Taissa Farmiga and Jonas Bloquet. The film is set to release on September 7, 2018.
 Question: are they making a movie about the nun from the conjuring
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