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: New York has 24 areas included in the United States' National Park Service (NPS) system. The NPS administers the nation's flagship national parks, none of which are in New York, and additional natural or historic parks and other sites.
 Question: are there any national parks in new york state Context: The attack on Pearl Harbor was a surprise military strike by the Imperial Japanese Navy Air Service against the United States naval base at Pearl Harbor, Hawaii Territory, on the morning of December 7, 1941. The attack, also known as the Battle of Pearl Harbor, led to the United States' entry into World War II. The Japanese military leadership referred to the attack as the Hawaii Operation and Operation AI, and as Operation Z during its planning.
 Question: was hawaii part of the us during pearl harbor Context: Jed Carlson Lowrie (born April 17, 1984) is an American professional baseball infielder for the Oakland Athletics of Major League Baseball (MLB). In addition to the A's, Lowrie has played in MLB for the Boston Red Sox and Houston Astros. While primarily a shortstop throughout his career, Lowrie has also played third base and second base.
 Question: did jed lowrie play for the red sox Context: The press, overhead press or shoulder press is a weight training exercise with many variations, typically performed while standing, in which a weight is pressed straight upwards from racking position until the arms are locked out overhead, while the legs, lower back and abs maintain balance. The exercise helps build muscular shoulders with bigger arms, and is one of the most difficult compound upper-body exercises.
 Question: are overhead press and shoulder press the same Context: Walmart is the world's largest company by revenue--over US$500 billion, according to Fortune Global 500 list in 2018--as well as the largest private employer in the world with 2.3 million employees. It is a publicly traded family-owned business, as the company is controlled by the Walton family. Sam Walton's heirs own over 50 percent of Walmart through their holding company, Walton Enterprises, and through their individual holdings. Walmart was the largest U.S. grocery retailer in 2016, and 62.3 percent of Walmart's US$478.614 billion sales came from U.S. operations.
 Question: is walmart the largest retailer in the world Context: The sweet potato (Ipomoea batatas) is a dicotyledonous plant that belongs to the bindweed or morning glory family, Convolvulaceae. Its large, starchy, sweet-tasting, tuberous roots are a root vegetable. The young leaves and shoots are sometimes eaten as greens. The sweet potato is only distantly related to the potato (Solanum tuberosum) and does not belong to the nightshade family, Solanaceae, but both families belong to the same taxonomic order, the Solanales. The sweet potato is botanically very distinct from a genuine yam (Dioscorea), which is native to Africa and Asia and belongs to the monocot family Dioscoreaceae.
 Question: are potatoes and sweet potatoes in the same family
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