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: In 2011, screenwriter Noxon told Collider.com that plans for an imminent sequel were shelved due to the disappointing performance of the first installment at the box office.
 Question: is there a sequel to i am number 4 film Context: Scientific notation (also referred to as scientific form or standard index form, or standard form in the UK) is a way of expressing numbers that are too big or too small to be conveniently written in decimal form. It is commonly used by scientists, mathematicians and engineers, in part because it can simplify certain arithmetic operations. On scientific calculators it is usually known as ``SCI'' display mode.
 Question: is scientific notation and standard form the same Context: The National Society of the Sons of the American Revolution (SAR or NSSAR) is an American congressionally chartered organization, founded in 1889, and headquartered in Louisville, Kentucky. A non-profit corporation, it has described its purpose as maintaining and extending ``the institutions of American freedom, an appreciation for true patriotism, a respect for our national symbols, the value of American citizenship, (and) the unifying force of 'e pluribus unum' that has created, from the people of many nations, one nation and one people.''
 Question: is there a sons of the american revolution Context: The United Nations Conference on Environment and Development (UNCED), also known as the Rio de Janeiro Earth Summit, the Rio Summit, the Rio Conference, and the Earth Summit (Portuguese: ECO92), was a major United Nations conference held in Rio de Janeiro from 3 to 14 June 1992.
 Question: earth summit in rio de janeiro in 1992 Context: In the United Kingdom, mobile phone network providers are not obliged to provide unlocking, even after the end of the contract. Ofcom, UK's telecom regulator, allowed 3 UK to sell a mobile phone with the SIM card permanently superglued to the phone. Most operators offer some form of unlocking service, depending on the state of the contract and the model of phone, but usually for a charge. The full Oftel 2002 SIM-lock position paper specifies that there is no SIM-locking law in the UK; the regulator wants only ``consumer awareness''. The examples within the position paper are just ``examples'' of current carrier practices for illustration purposes, but do not reflect any official Oftel regulation. The main networks often agree to unlock handsets for a charge, either at the end of a contract or, for prepaid handsets, after several months. Some Blackberry handsets supplied by Vodafone (e.g., Storm) are examples of a UK carrier not offering unlocking codes. As of April 2011 O will unlock any of their pay-monthly phones for free, even if they're still in contract, with the exception of handsets made exclusively for them, such as their Palm devices. Carphone Warehouse, one of the largest UK phone retailers, offers unlocked phones with most PAYG deals. As of January 1st 2014 all phones sold by 3 UK are unlocked. Phones bought before this date will be unlocked for free.
 Question: do phone companies have to unlock your phone uk
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