Siam0703/SQuAD-EN-Passage-to-Question huggingface dataset:
Capacitors, especially ceramic capacitors, and older designs such as paper capacitors, can absorb sound waves resulting in a microphonic effect. Vibration moves the plates, causing the capacitance to vary, in turn inducing AC current. Some dielectrics also generate piezoelectricity. The resulting interference is especially problematic in audio applications, potentially causing feedback or unintended recording. In the reverse microphonic effect, the varying electric field between the capacitor plates exerts a physical force, moving them as a speaker. This can generate audible sound, but drains energy and stresses the dielectric and the electrolyte, if any.

Questions:
What is the effect called when capacitors absorb sound waves?
What value of a capacitor is varied when vibration moves the conducting plates?
What sort of current is induced when the capacitance of a capacitor is altered?
In what type of applications is piezeoelectricity especially problematic?
What is it called when a changing electric field existing between the conductive plates of a capacitor physically moves them?
Capacitors made with any type of dielectric material will show some level of "dielectric absorption" or "soakage". On discharging a capacitor and disconnecting it, after a short time it may develop a voltage due to hysteresis in the dielectric. This effect can be objectionable in applications such as precision sample and hold circuits or timing circuits. The level of absorption depends on many factors, from design considerations to charging time, since the absorption is a time-dependent process. However, the primary factor is the type of dielectric material. Capacitors such as tantalum electrolytic or polysulfone film exhibit very high absorption, while polystyrene or Teflon allow very small levels of absorption. In some capacitors where dangerous voltages and energies exist, such as in flashtubes, television sets, and defibrillators, the dielectric absorption can recharge the capacitor to hazardous voltages after it has been shorted or discharged. Any capacitor containing over 10 joules of energy is generally considered hazardous, while 50 joules or higher is potentially lethal. A capacitor may regain anywhere from 0.01 to 20% of its original charge over a period of several minutes, allowing a seemingly safe capacitor to become surprisingly dangerous.

Questions:
After discharging and disconnecting a capacitor, what causes it to develop a voltage?
What does the process of dielectric absorption in a capacitor depend on?
What level of dielectric absorption would a tantalum electrolytic capacitor display?
What level of dielectric absorption would a Teflon capacitor exhibit?
What amount of energy must a capacitor contain in order to be generally considered dangerous?
Most types of capacitor include a dielectric spacer, which increases their capacitance. These dielectrics are most often insulators. However, low capacitance devices are available with a vacuum between their plates, which allows extremely high voltage operation and low losses. Variable capacitors with their plates open to the atmosphere were commonly used in radio tuning circuits. Later designs use polymer foil dielectric between the moving and stationary plates, with no significant air space between them.

Questions:
What do many capacitors contain that raises the capacitance?
What sort of dielectric is used in low capacitance devices?
What sort of capacitors have traditionally been used in radio tuning circuits?
How did the capacitor traditionally used in radio tuning circuits change over time?
What did the later designs of capacitors used in radio tuning circuits no longer have?
Around the sixth century AD, a tribe of Slavs arrived in a portion of Central Europe. According to legend they were led by a hero named Čech, from whom the word "Czech" derives. The ninth century brought the state of Great Moravia, whose first ruler (Rastislav of Moravia) invited Byzantine ruler Michael III to send missionaries in an attempt to reduce the influence of East Francia on religious and political life in his country. These missionaries, Constantine and Methodius, helped to convert the Czechs from traditional Slavic paganism to Christianity and established a church system. They also brought the Glagolitic alphabet to the West Slavs, whose language was previously unwritten. This language, later known as Proto-Czech, was beginning to separate from its fellow West Slavic hatchlings Proto-Slovak, Proto-Polish and Proto-Sorbian. Among other features, Proto-Czech was marked by its ephemeral use of the voiced velar fricative consonant (/ɣ/) and consistent stress on the first syllable.

Questions:
When did a tribe of Slavs arrive in Central Europe?
Who was the hero who led the Slavs to their new home, according to legend?
What did the ninth century bring?
Whose influence was Rastislav eager to reduce, when he invited  Michael III to send missionaries?
What alphabet did the missionaries bring to the West Slavs?
Comcast has been criticized for multiple reasons. The company's customer satisfaction often ranks among the lowest in the cable industry. Comcast has violated net neutrality practices in the past; and, despite Comcast's commitment to a narrow definition of net neutrality, critics advocate a definition of which precludes distinction between Comcast's private network services and the rest of the Internet. Critics also point out a lack of competition in the vast majority of Comcast's service area; there is limited competition among cable providers. Given Comcast's negotiating power as a large ISP, some suspect that Comcast could leverage paid peering agreements to unfairly influence end-user connection speeds. Its ownership of both content production (in NBCUniversal) and content distribution (as an ISP) has raised antitrust concerns. These issues, in addition to others, led to Comcast being dubbed "The Worst Company in America" by The Consumerist in 2014 and 2010.

Questions:
What is the largest criticism leveled by consumers against Comcast
It has been alleged that Comcast's internet service has done what to customers?
What monopolistic practice draws criticism of Comcast?
What dubious distinction has Comcast earned twice from The Consumerist?
How does Comcast's customer service stack up against its competition?
The risk of reactivation increases with immunosuppression, such as that caused by infection with HIV. In people coinfected with M. tuberculosis and HIV, the risk of reactivation increases to 10% per year. Studies using DNA fingerprinting of M. tuberculosis strains have shown reinfection contributes more substantially to recurrent TB than previously thought, with estimates that it might account for more than 50% of reactivated cases in areas where TB is common. The chance of death from a case of tuberculosis is about 4% as of 2008, down from 8% in 1995.

Questions:
As immunosuppression goes up in tuberculosis cases, what risk rises with it?
What disease has a similar relationship as TB does between reactivation and immunosuppression?
If you'd been diagnosed with tuberculosis in 1995, how great a chance would you have faced of dying from it?
In what year did the risk of dying from TB reach half what it was in 1995?
New studies have found that half of reactivation cases of tuberculosis might actually be due to what other "re-" word?
The BCG vaccine has limitations, and research to develop new TB vaccines is ongoing. A number of potential candidates are currently in phase I and II clinical trials. Two main approaches are being used to attempt to improve the efficacy of available vaccines. One approach involves adding a subunit vaccine to BCG, while the other strategy is attempting to create new and better live vaccines. MVA85A, an example of a subunit vaccine, currently in trials in South Africa, is based on a genetically modified vaccinia virus. Vaccines are hoped to play a significant role in treatment of both latent and active disease.

Questions:
What vaccine are researchers trying to improve on?
What phase of clinical trials have some new vaccine options reached?
What does one option propose adding to the existing BCG vaccine?
What's the name of the subunit vaccine being studied in South Africa?
What genetically modified virus was used to develop MVA85A?
The first six rounds are the Qualifying Competition, from which 32 teams progress to the first round of the Competition Proper, meeting the first of the 92 professional teams. The last entrants are the Premier League and Championship clubs, into the draw for the Third Round Proper. In the modern era, non-league teams have never reached the quarter finals, and teams below Level 2 have never reached the final.[note 1] As a result, as well as who wins, significant focus is given to those "minnows" (smaller teams) who progress furthest, especially if they achieve an unlikely "giant-killing" victory.

Questions:
What rounds are the qualifiers?
How many teams in the first round?
What league enters in the third round?
In the modern era, has any non-league team reached the quarter finals??
Has a level 2 club reached the finals ever?
Winners receive the FA Cup trophy, of which there have been two designs and five actual cups; the latest is a 2014 replica of the second design, introduced in 1911. Winners also qualify for European football and a place in the FA Community Shield match. Arsenal are the current holders, having beaten Aston Villa 4–0 in the 2015 final to win the cup for the second year in a row. It was their 12th FA Cup title overall, making Arsenal the FA Cup's most successful club ahead of Manchester United on 11.

Questions:
What do winners receive?
How many FA cup designs have there been?
How many FA cups have there been?
When was the latest design intoduced?
In 1863, the newly founded Football Association (the FA) published the Laws of the Game of Association Football, unifying the various different rules in use before then. On 20 July 1871, in the offices of The Sportsman newspaper, the FA Secretary C. W. Alcock proposed to the FA committee that "it is desirable that a Challenge Cup should be established in connection with the Association for which all clubs belonging to the Association should be invited to compete". The inaugural FA Cup tournament kicked off in November 1871. After thirteen games in all, Wanderers were crowned the winners in the final, on 16 March 1872. Wanderers retained the trophy the following year. The modern cup was beginning to be established by the 1888–89 season, when qualifying rounds were introduced.

Questions:
When was the laws of the Game of Asscociation Football published?
Who was the FA secretary in 1871?
When did the inaugural  FA cup tournament take place?
Who won the first and second cups?
When was the modern cup established?
Following the 1914–15 edition, the competition was suspended due to the First World War, and didn't resume until 1919–20. The 1922–23 competition saw the first final to be played in the newly opened Wembley Stadium (known at the time as the Empire Stadium). Due to the outbreak of World War II, the competition wasn't played between the 1938–39 and 1945–46 editions. Due to the wartime breaks, the competition didn't celebrate its centenary year until 1980–81; fittingly the final featured a goal by Ricky Villa which was later voted the greatest goal ever scored at Wembley Stadium, but has since been replaced by Steven Gerrard.

Questions:
Was competition suspended due to the first world war?
what year did competition resume after world war 1?
When did Wembly stadium open?
What was Webly stadium called at that time?
When did the competition celebrate its centennial?
The competition is open to any club down to Level 10 of the English football league system which meets the eligibility criteria. All clubs in the top four levels (the Premier League and the three divisions of the Football League) are automatically eligible. Clubs in the next six levels (non-league football) are also eligible provided they have played in either the FA Cup, FA Trophy or FA Vase competitions in the previous season. Newly formed clubs, such as F.C. United of Manchester in 2005–06 and also 2006–07, may not therefore play in the FA Cup in their first season. All clubs entering the competition must also have a suitable stadium.

Questions:
Is the competition open to anyone?
Is there anyone automatically eligible?
Who else can play?
Can new clubs play too?
Do I need a stadium to compete?
It is very rare for top clubs to miss the competition, although it can happen in exceptional circumstances. Defending holders Manchester United did not enter the 1999–2000 FA Cup, as they were already in the inaugural Club World Championship, with the club stating that entering both tournaments would overload their fixture schedule and make it more difficult to defend their Champions League and Premiership titles. The club claimed that they did not want to devalue the FA Cup by fielding a weaker side. The move benefited United as they received a two-week break and won the 1999–2000 league title by an 18-point margin, although they did not progress past the group stage of the Club World Championship. The withdrawal from the FA Cup, however, drew considerable criticism as this weakened the tournament's prestige and Sir Alex Ferguson later admitted his regret regarding their handling of the situation.

Questions:
Does anyone ever miss a tournament?
What clubs have missed the competition?
Why did they miss that competition?
How did people feel about Manchester's decision?
Did the club later regret their choice?
Welsh sides that play in English leagues are eligible, although since the creation of the League of Wales there are only six clubs remaining: Cardiff City (the only non-English team to win the tournament, in 1927), Swansea City, Newport County, Wrexham, Merthyr Town and Colwyn Bay. In the early years other teams from Wales, Ireland and Scotland also took part in the competition, with Glasgow side Queen's Park losing the final to Blackburn Rovers in 1884 and 1885 before being barred from entering by the Scottish Football Association. In the 2013–14 season the first Channel Island club entered the competition when Guernsey F.C. competed for the first time.

Questions:
May Welsh clubs enter the competition?
Has a Welsh team ever won a competition?
Have any other countries ever competed?
Why can't those countries compete?
Has any other  country been allowed to enter the competition since?
The number of entrants has increased greatly in recent years. In the 2004–05 season, 660 clubs entered the competition, beating the long-standing record of 656 from the 1921–22 season. In 2005–06 this increased to 674 entrants, in 2006–07 to 687, in 2007–08 to 731 clubs, and for the 2008–09 and 2009–10 competitions it reached 762. The number has varied slightly but remained roughly stable since then, with 759 clubs participating in 2010–11, a record 763 in 2011–12, 758 for 2012–13, 737 for 2013–14 and 736 for 2014–15. By comparison, the other major English domestic cup, the League Cup, involves only the 92 members of the Premier League and Football League.

Questions:
Has the number of entrants stayed the same?
How many clubs entered in 2004-05?
How many clubs entered in 2005-06?
How many clubs entered in 2006-07?
How many clubs entered in 2007-08?
Beginning in August, the competition proceeds as a knockout tournament throughout, consisting of twelve rounds, a semi-final and then a final, in May. A system of byes ensures clubs above Level 9 and 10 enter the competition at later stages. There is no seeding, the fixtures in each round being determined by a random draw. Prior to the semi-finals, fixtures ending in a tie are replayed once only. The first six rounds are qualifiers, with the draws organised on a regional basis. The next six rounds are the "proper" rounds where all clubs are in one draw.

Questions:
When is the final?
When do clubs above 9 enter?
Is there seeding?
What happens in the event of a tie?
What are the first 6 rounds?
The final is normally held the Saturday after the Premier League season finishes in May. The only seasons in recent times when this pattern was not followed were 1999–2000, when most rounds were played a few weeks earlier than normal as an experiment, and 2010–11 and 2012–13 when the FA Cup Final was played before the Premier League season had finished, to allow Wembley Stadium to be ready for the UEFA Champions League final, as well as in 2011–12 to allow England time to prepare for that summer's European Championships.

Questions:
When does the final take place?
Was there a time this was not the case?
Why was that?
Did that ever happen again?
What happened during those years?
The semi-finals have been played exclusively at the rebuilt Wembley Stadium since 2008, one year after it opened and after it had already hosted a final (in 2007). For the first decade of the competition, the Kennington Oval was used as the semi-final venue. In the period between this first decade and the reopening of Wembley, semi-finals were played at high-capacity neutral venues around England; usually the home grounds of teams not involved in that semi-final, chosen to be roughly equidistant between the two teams for fairness of travel. The top three most used venues in this period were Villa Park in Birmingham (55 times), Hillsborough in Sheffield (34 times) and Old Trafford in Manchester (23 times). The original Wembley Stadium was also used seven times for semi-final, between 1991 and 2000 (the last held there), but not always for fixtures featuring London teams. In 2005, both were held at the Millennium Stadium.

Questions:
Where are the semi finals played?
Is there a name for the specific venue?
Where did the semi finals take place before then?
What was the top most used venue?
Where was the cup held in 2005?
In 2003 the FA took the decision to permanently use the new Wembley for semi-finals to recoup debts in financing the new stadium. This was controversial, with the move seen as both unfair to fans of teams located far from London, as well as taking some of the prestige away from a Wembley final. In defending the move, the FA has also cited the extra capacity Wembley offers, although the 2013 fixture between Millwall and Wigan led to the unprecedented step of placing 6,000 tickets on sale to neutral fans after the game failed to sell out. A fan poll by The Guardian in 2013 found 86% opposition to Wembley semi-finals.

Questions:
Where is the FA cup held today?
Why is it held at Webly Stadium?
Do the people of London agree with this action?
Has the game ever fail to sell out?
Do people oppose of using the new Webly Stadium?
The final has been played at the rebuilt Wembley Stadium since it opened, in 2007. The rebuilding process meant that between 2001 and 2006 they were hosted at the Millennium Stadium in Cardiff in Wales. Prior to rebuilding, the final was hosted by the original Wembley Stadium since it opened in 1923 (being originally named the Empire Stadium). One exception to this 78 year series of Empire Stadium finals (including five replays) was the 1970 replay between Leeds and Chelsea, held at Old Trafford in Manchester.

Questions:
Where is the final played now?
When did this stadium open?
Where was the FA cup held while this stadium was built?
Where is Millennium Stadium located?
Was it always held in Millennium Stadium?
In the 51 years prior to the Empire Stadium opening, the final (including 8 replays) was held in a variety of locations, predominantly in London, and mainly at the Kennington Oval and then Crystal Palace. It was played 22 times in the Oval (the inaugural competition in 1872, and then all but two times until 1892). After the Oval, Crystal Palace hosted 21 finals from 1895 to 1914, broken up by 4 four replays elsewhere. The other London venues were Stamford Bridge from 1920 to 1922 (the last three finals before the move to Empire Stadium); and Oxford University's Lillie Bridge in Fulham for the second ever final, in 1873. The other venues used sparingly in this period were all outside of London, as follows:

Questions:
Where do the majority of FA cup finals take place?
How many times was the FA cup playing in the Oval ?
What was the first year the Oval hosted the FA cup?
How many times has Crystal Palce hosted the FA cup?
How many replays took place at the Oval?
The FA permitted artificial turf (3G) pitches in all rounds of the competition from the 2014–15 edition and beyond. Under the 2015-16 rules, the pitch must be of FIFA One Star quality, or Two Star for ties if they involve one of the 92 professional clubs. This followed approval two years previously for their use in the qualifying rounds only - if a team with a 3G pitch progressed to the competition proper, they had to switch their tie to the ground of another eligible entrant with a natural grass pitch. Having been strong proponents of the surface, the first match in the proper rounds to be played on a 3G surface was a televised first round replay at Maidstone United's Gallagher Stadium on 20 November 2015.

Questions:
Is the use of artificial turf allowed?
What is the required quality of the pitch?
How many professional clubs are there?
What happens if the pitch is not up to par?
Where was the first #G surface game played?
The trophy comes in three parts - the cup itself, plus a lid and a base. There have been two designs of trophy in use, but five physical trophies have been presented. The original trophy, known as the "little tin idol", was 18 inches high and made by Martin, Hall & Co. It was stolen in 1895 and never recovered, and so was replaced by an exact replica, used until 1910. The FA decided to change the design after the 1909 winners, Manchester United, made their own replica, leading the FA to realise they did not own the copyright. This new, larger design was by Messers Fattorini and Sons, and was used from 1911. In order to preserve this original, from 1992 it was replaced by an exact replica, although this had to be replaced after just over two decades, after showing wear and tear from being handled more than in previous eras. This third replica, first used in 2014, was built heavier to withstand the increased handling. Of the four surviving trophies, only the 1895 replica has entered private ownership.

Questions:
How many parts does the trophy come in?
What is the  parts of the trophy?
How many trophy designs have there bee?
How many physical trophies have been presented?
When was the first design changed?
The name of the winning team is engraved on the silver band around the base as soon as the final has finished, in order to be ready in time for the presentation ceremony. This means the engraver has just five minutes to perform a task which would take twenty under normal conditions, although time is saved by engraving the year on during the match, and sketching the presumed winner. During the final, the trophy wears is decorated with ribbons in the colours of both finalists, with the loser's ribbons being removed at the end of the game. Traditionally, at Wembley finals, the presentation is made at the Royal Box, with players, led by the captain, mounting a staircase to a gangway in front of the box and returning by a second staircase on the other side of the box. At Cardiff the presentation was made on a podium on the pitch.

Questions:
Is the cup engraved for the winner?
When does the engraving take place?
how long does the engraved have from start to finish?
Is the trophy decorated?
Where is he cup presentation made?
The tradition of presenting the trophy immediately after the game did not start until the 1882 final; after the first final in 1872 the trophy was not presented to the winners, Wanderers, until a reception held four weeks later in the Pall Mall Restaurant in London. Under the original rules, the trophy was to be permanently presented to any club which won the competition three times, although when inaugural winners Wanderers achieved this feat by the 1876 final, the rules were changed by FA Secretary CW Alcock (who was also captain of Wanderers in their first victory).

Questions:
When did people start presenting the trophy after the game?
when was the first trophy presented?
Where was the first trophy presented?
What happens to multiple cup winners?
Did that ever happen?