question stringlengths 7 293 | qid stringlengths 5 6 | output stringlengths 1.09k 89.3k | ctxs listlengths 100 100 |
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In Trading Places (1983, Akroyd/Murphy) how does the scheme at the end of the movie work? Why would buying a lot of OJ at a high price ruin the Duke Brothers? | 1kiwfx | [{"answer": "The final scene involves future contracts. This simply means entering into a contract to buy something (oil, wheat, even frozen concentrated orange juice(FCOJ)) at a specified time for the current price. The person selling the future does not have to own the FCOJ at the time of sale he simply has to provid... | [
{
"contents": "Trading Places\n\n\nis also heard on the train scene and is credited on the film. Almost 30 years after its release, the plot for the movie was part of the inspiration for new regulations on the financial markets. On March 3, 2010, Commodity Futures Trading Commission chief Gary Gensler stated, i... |
What causes the trail behind jets at high altitude? | 52py6m | [{"answer": "It is water vapor and ice. They are produced from the hot engine exhaust in the cold atmosphere. Water vapor from the engine exhaust mixed with unburnt particulate in the jet fuel gives the surrounding moist air something to latch onto and ice crystals form. Depending on the hight of the aircraft, they can... | [
{
"contents": "Contrail\n\n\nengine exhaust are seen at high altitude, directly behind each engine. By contrast, the visible cores of wingtip vortices are usually seen only at low altitude where the aircraft is travelling slowly after takeoff or before landing, and where the ambient humidity is higher. They tra... |
babies crying pre-sedentary/having shelters if it would technically be a death sentence attracting predators in nature | 83bow1 | [{"answer": "Hardly. First, remember that babies were not left unattended. Our early ancestors (much like some hunter gatherer tribes still do to this day) carries their babies around constantly. Babies that are worn cry much less because pretty much their every need (food and comfort) are very close by. Additionally, ... | [
{
"contents": "Hunter-gatherer\n\n\nshelters using impermanent building materials, or they may use natural rock shelters, where they are available. Some hunter-gatherer cultures, such as the indigenous peoples of the Pacific Northwest Coast and the Yakuts, lived in particularly rich environments that allowed th... |
Do animals know they're going to die? | 1dvkc7 | "[{\"answer\": \"Animals, at least higher functioning mammals, have some sort of concept of death, t(...TRUNCATED) | [{"contents":"Danzig 4\n\n\nwe were trying to really play the whole song \"Let It Be Captured\" back(...TRUNCATED) |
Does marijuana impair driving ability? | 4lnk7x | "[{\"answer\": \"Cannabis is a depressant drug, which means it slows down messages travelling betwee(...TRUNCATED) | [{"contents":"Driving under the influence\n\n\n\"drivers with five nanograms of active tetrahydrocan(...TRUNCATED) |
What caused racial division and discrimination between Hutus and Tutsis in Rwanda? | 5fpy11 | "[{\"answer\": \"According to the excellent \\\"We Wish to Inform You That Tomorrow We Will be Kille(...TRUNCATED) | [{"contents":"Religion in Rwanda\n\n\nrace origins, which taught that the Tutsi were a superior race(...TRUNCATED) |
"Why do we use an tiered income tax system, instead of something more precise (like an integral-base(...TRUNCATED) | 5s7ksf | "[{\"answer\": \"It's way easier for the average person to do the math if the tax rates are stepwise(...TRUNCATED) | [{"contents":"Taxation in Iceland\n\n\nused a 3-tier income tax system base on the individual's leve(...TRUNCATED) |
How are companies like Snapchat and Tinder, worth anything when most people don't pay to use them? | 3wb152 | "[{\"answer\": \"If you're not paying for it, YOU are the item being sold. They probably sell your d(...TRUNCATED) | [{"contents":"Tony Martin (British singer)\n\n\nwant to delete ten years of your history? It seems t(...TRUNCATED) |
What determines whether or not someone is a naturally good singer? | 4kzgh9 | "[{\"answer\": \"Physically speaking, being a naturally good singer means you were born with a good (...TRUNCATED) | [{"contents":"Unconscionability\n\n\nnegotiations, whereas \"substantive unconscionability\" refers (...TRUNCATED) |
Why wouldn't life on another habitable planet look similar to Earth's? | 1qdjpv | "[{\"answer\": \"There probably would be similarities. Things that were swimmers would probably be s(...TRUNCATED) | [{"contents":"Superhabitable planet\n\n\nA superhabitable planet is a hypothetical type of exoplanet(...TRUNCATED) |
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