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: Host--parasite coevolution is a special case of coevolution, which is defined as the reciprocal adaptive genetic change of two antagonists (e.g. different species or genes) through reciprocal selective pressures. In the particular case of host--parasite coevolution the antagonists are different species of host and parasite.
 Question: can a parasite influence the evolution of its host Context: The BBC announced on 2 March 2017 that there would be no further series.
 Question: will there be a second series of the coroner 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: Patricia Anne Boyd (born 17 March 1944) is an English model and photographer. She was one of the leading international models during the 1960s and, with Jean Shrimpton, epitomised the British female ``look'' of the era. Boyd was married to George Harrison and experienced the height of the Beatles' popularity as well as sharing in their embrace of Indian spirituality. She later married and divorced Harrison's friend, guitarist Eric Clapton. Boyd inspired Harrison's songs such as ``If I Needed Someone'', ``Something'' and ``For You Blue'', and Clapton's ``Layla'' and ``Wonderful Tonight''.
 Question: are eric clapton and pattie boyd still married Context: Land O'Lakes, Inc. is a member-owned agricultural cooperative based in the Minneapolis-St. Paul suburb of Arden Hills, Minnesota, focusing on the dairy industry. The co-op states that it has about 3,600 direct producer-members, 1,000 member-cooperatives, and about 10,000 employees who process and distribute products for about 300,000 agricultural producers; handling 12 billion pounds of milk annually. It is ranked third on the National Cooperative Bank Co-op 100 list of mutuals and cooperatives. The co-op is one of the largest producers of butter and cheese in the United States.
 Question: is land o lakes butter made in land o lakes florida Context: Doctor is an academic title that originates from the Latin word of the same spelling and meaning. The word is originally an agentive noun of the Latin verb docēre (dɔˈkeːrɛ) 'to teach'. It has been used as an academic title in Europe since the 13th century, when the first Doctorates were awarded at the University of Bologna and the University of Paris. Having become established in European universities, this usage spread around the world. Contracted ``Dr'' or ``Dr.'', it is used as a designation for a person who has obtained a Doctorate (e.g. PhD). In many parts of the world it is also used by medical practitioners, regardless of whether or not they hold a doctoral-level degree.
 Question: is everyone with a phd called a doctor
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