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 term ``Grand Slam'' was first applied to Bobby Jones' achievement of winning the four major golf events of 1930: The Open Championship, the U.S. Open, the U.S. Amateur and the British Amateur. When Jones won all four, the sports world searched for ways to capture the magnitude of his accomplishment. Up to that time, there was no term to describe such a feat because no one had thought it possible. The Atlanta Journal's O.B. Keeler dubbed it the ``Grand Slam,'' borrowing a bridge term. George Trevor of the New York Sun wrote that Jones had ``stormed the impregnable quadrilateral of golf.'' Keeler would later write the words that would forever be linked to one of the greatest individual accomplishments in the history of sports:
 Question: has anyone won the grand slam in golf in one year Context: A domestic refrigerator is an example of a heat pump: a heat engine in reverse. Work is used to create a heat differential. Many cycles can run in reverse to move heat from the cold side to the hot side, making the cold side cooler and the hot side hotter. Internal combustion engine versions of these cycles are, by their nature, not reversible.
 Question: is a heat engine and heat pump the same thing
Yes
Yes
No