Student A:Context: In April 2005, the show was revised slightly. Aside from numerous tweakings to the script, there are slight differences in the revised version's musical numbers. Chief among these is a brand new song opening Act II called "Still Rockin."' Other changes include the removal of the' rap' "Dancing is not a Crime". Only the very first section of the rap is used and right before "Mama Says" instead of during the Town Council meeting. Ren gives a speech instead during the meeting. Also, the Reverend's song "I Confess" has also been removed and replaced with a much longer and more emotional scene with Ren after the Town Council meeting and a short reprise of "Heaven Help Me" sung by Reverend Moore alone. Furthermore, the show now begins with Rusty, Wendy Jo, and Urleen singing the opening of "Footloose" instead of Ren and the boys, and during "Learning to be Silent" Ariel sings with Vi and Ethel during the song.

Question: who sings learning to be silent in footloose?
Student B:OK... The relevant information to answer the above question is: Furthermore, the show now begins with Rusty, Wendy Jo, and Urleen singing the opening of "Footloose" instead of Ren and the boys, and during "Learning to be Silent" Ariel sings with Vi and Ethel during the song.
Ariel sings with Vi and Ethel.

Problem:Systematic error, however, is predictable and typically constant or proportional to the true value. If the cause of the systematic error can be identified, then it usually can be eliminated. Systematic errors are caused by imperfect calibration of measurement instruments or imperfect methods of observation, or interference of the environment with the measurement process, and always affect the results of an experiment in a predictable direction. Incorrect zeroing of an instrument leading to a zero error is an example of systematic error in instrumentation.

Based on this passage, errors that consistently cause measurement value to be too large or too small?
Solution:OK... The relevant sentence in the passage is: Systematic errors are caused by imperfect calibration of measurement instruments or imperfect methods of observation, or interference of the environment with the measurement process, and always affect the results of an experiment in a predictable direction.
Systematic errors.

Student A:Context: Most shots on goal, career: Ray Bourque, 6,206 Most shots on goal, playoffs career: Ray Bourque, 812 Most shots on goal, one season: Phil Esposito (1970 -- 71), 550 Most shots on goal, one playoff season: Henrik Zetterberg, 116 Most shots on goal, one game: Ray Bourque (March 21, 1991), 19 Most shots on goal, one playoff game: Daniel Briere (April 22, 2006), 14

Question: nhl record for shots on goal in a game?
Student B:OK... The relevant sentence in the passage is: Most shots on goal, one game: Ray Bourque (March 21, 1991), 19
Ray Bourque.

Problem:Mark first appears in season two, introduced as a highly respected otolaryngologist sub-specialized in plastic surgery and the childhood best friend of neurosurgeon Derek Shepherd (Patrick Dempsey). Derek explains that Mark had an affair with his wife, Addison (Kate Walsh) while they were living in New York. Mark travels to Seattle, intent on convincing Addison to return with him, but his offer is rejected and Derek declines to renew their friendship. Mark returns during season three at Addison's drunken behest, but she again rejects him once sober. Undeterred, Mark sells his successful private practice (which he previously shared with Derek) and takes over the plastics program at Seattle Grace Hospital. During Meredith's morphine rampage, Mark finds out about his nickname McSteamy which was given to him by her during his first trip to Seattle back when he attempted to get Addison back and earn Derek's friendship back. It is later revealed that Mark has at some point slept with all of Derek's sisters. Mark has a brief fling with Addison's friend, orthopedic surgeon Callie Torres (Sara Ramirez), and develops a friendship with Derek's girlfriend, intern Meredith Grey (Ellen Pompeo). It is revealed that after Derek left New York, Mark and Addison continued their relationship for two months, during which she conceived and aborted his child. Just weeks after moving to Seattle he quickly observes that Derek's true love was Meredith and tries to convince Addison that her marriage with Derek was over. Mark enters into a sixty-day abstinence pact with Addison, agreeing that if they can remain celibate for that time, Addison will give their relationship another chance. Addison ultimately breaks the pact by having sex with intern Alex Karev (Justin Chambers), and soon thereafter departs from Seattle to work in Los Angeles.

Answer this question: when does mark show up in grey anatomy?
Solution:OK... The relevant information is: Mark first appears in season two, introduced as a highly respected otolaryngologist sub-specialized in plastic surgery and the childhood best friend of neurosurgeon Derek Shepherd (Patrick Dempsey).
season two.

Student A:Diaz is a common Spanish surname with multiple meanings in multiple languages. First found in Castile, where the name originated in the Visigoth period, the name accounts for about 0.17 % of the Spanish population, ranking as the 14th-most frequently found surname in both 1999 and 2004 compared to the most popular Spanish surname of those years.

Where does the last name diaz originate from?
Student B:OK... The relevant information to answer the above question is: First found in Castile, where the name originated in the Visigoth period, the name accounts for about 0.17 % of the Spanish population, ranking as the 14th-most frequently found surname in both 1999 and 2004 compared to the most popular Spanish surname of those years.
in Castile , where the name originated in the Visigoth period.

Student A:Kefir or kephir (/ kfr / k-FEER), alternatively milk kefir or bulgaros, is a fermented milk drink that originated in the Caucasus Mountains made with kefir "grains", a yeast / bacterial fermentation starter. It is prepared by inoculating cow, goat, or sheep milk with kefir grains. Traditional kefir was made in goatskin bags that were hung near a doorway; the bag would be knocked by anyone passing through to help keep the milk and kefir grains well mixed.

Answer this question: where did the first kefir grains come from?
Student B:
OK... The relevant information is: Kefir or kephir (/ kfr / k-FEER), alternatively milk kefir or bulgaros, is a fermented milk drink that originated in the Caucasus Mountains made with kefir "grains", a yeast / bacterial fermentation starter.
the Caucasus Mountains.