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: The economic problem is most simply explained by the question: ``How do we satisfy unlimited wants with limited resources?'' The premise of the economic problem model is that wants are constant and infinite due to constantly changing demands (often closely related to changing demographics of the population), but resources in the world to satisfy human wants are always limited to the amount of natural or human resources available. The economic problem and methods to curb it--revolve around the idea of choice in prioritizing which wants can be fulfilled and what to produce for the economy.
 Question: can there be an economy without economic problem Context: A steel-toe boot (also known as a safety boot, steel-capped boot or safety shoe) is a durable boot or shoe that has a protective reinforcement in the toe which protects the foot from falling objects or compression, usually combined with a mid sole plate to protect against punctures from below.
 Question: are steel toe boots made to cut toes off Context: Physical changes are changes affecting the form of a chemical substance, but not its chemical composition. Physical changes are used to separate mixtures into their component compounds, but can not usually be used to separate compounds into chemical elements or simpler compounds.
 Question: can substances and mixtures be separated by physical means Context: The residence had been occupied by various famous Hollywood and music industry figures. In 1994, the house was demolished, a new house was constructed on the site and the street address was changed to 10066 Cielo Drive.
 Question: is the house on cielo drive still there Context: The Channel Tunnel (French: Le tunnel sous la Manche; also nicknamed the Chunnel) is a 50.45-kilometre (31.35 mi) rail tunnel linking Folkestone, Kent, in the United Kingdom, with Coquelles, Pas-de-Calais, near Calais in northern France, beneath the English Channel at the Strait of Dover. At its lowest point, it is 75 m (250 ft) deep below the sea bed and 115 m (380 ft) below sea level. At 37.9 kilometres (23.5 mi), the tunnel has the longest undersea portion of any tunnel in the world, although the Seikan Tunnel in Japan is both longer overall at 53.85 kilometres (33.46 mi) and deeper at 240 metres (790 ft) below sea level. The speed limit for trains in the tunnel is 160 kilometres per hour (99 mph).
 Question: is there a train that connects england to europe Context: The group winners, Serbia, qualified directly for the 2018 FIFA World Cup. The group runners-up, Republic of Ireland, advanced to the play-offs as one of the best 8 runners-up, where they lost to Denmark and thus failed to qualify.
 Question: is ireland playing in the 2018 world cup
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