Student A:The National Hockey League (NHL; French: Ligue nationale de hockey -- LNH) is a professional ice hockey league in North America, currently comprising 31 teams: 24 in the United States and 7 in Canada. The NHL is considered to be the premier professional ice hockey league in the world, and one of the major professional sports leagues in the United States and Canada. The Stanley Cup, the oldest professional sports trophy in North America, is awarded annually to the league playoff champion at the end of each season.

Answer this question: how many teams are in the nhl in canada?
Student B:OK... The important part for answering this question is: The National Hockey League (NHL; French: Ligue nationale de hockey -- LNH) is a professional ice hockey league in North America, currently comprising 31 teams: 24 in the United States and 7 in Canada.
7.

Problem:Three discoveries challenged this foundation of magnetism, though. First, in 1819, Hans Christian rsted discovered that an electric current generates a magnetic field encircling it. Then in 1820, Andre-Marie Ampere showed that parallel wires having currents in the same direction attract one another. Finally, Jean-Baptiste Biot and Felix Savart discovered the Biot -- Savart law in 1820, which correctly predicts the magnetic field around any current-carrying wire.

Answer this question based on the passage: who discovered the magnetic field of electric current?
Solution:OK... The important part for answering this question is: First, in 1819, Hans Christian rsted discovered that an electric current generates a magnetic field encircling it.
Hans Christian rsted.

Student A:The music video was directed by actor Timothy Hutton and features model and actress Paulina Porizkova, who would later become Ric Ocasek's wife.

Who was the girl in the cars drive video?
Student B:OK... The relevant information to answer the above question is: The music video was directed by actor Timothy Hutton and features model and actress Paulina Porizkova, who would later become Ric Ocasek's wife.
actress Paulina Porizkova.

Problem:Defecation is the final act of digestion, by which organisms eliminate solid, semisolid, or liquid waste material from the digestive tract via the anus.

Answer this question: what is expelled out of the body as faeces through the anus?
Solution:OK... This is the relevant information: Defecation is the final act of digestion, by which organisms eliminate solid, semisolid, or liquid waste material from the digestive tract via the anus.
solid , semisolid , or liquid waste material.

Student A:Huey, Dewey, and Louie Duck are triplet cartoon characters created in 1937 by writer Ted Osborne and cartoonist Al Taliaferro, and are owned by The Walt Disney Company. Huey, Dewey, and Louie are the nephews of Donald Duck and the grandnephews of Scrooge McDuck. Like their uncles, the boys are anthropomorphic white ducks with yellow-orange beaks and feet. They typically wear shirts and colorful baseball caps, which are sometimes used to differentiate each character. Huey, Dewey and Louie have made several animated appearances in both films and television, but comics remain their primary medium. The trio are collectively the 11th most published comic book characters in the world, and outside of the superhero genre, second only to Donald.

Based on this passage, what is the first name of huey's dewey's and louie's uncle?
Student B:OK... The relevant information to answer the above question is: Huey, Dewey, and Louie are the nephews of Donald Duck and the grandnephews of Scrooge McDuck.
Donald.

Student A:Boston Celtics center Bill Russell holds the record for the most NBA championships won with 11 titles during his 13-year playing career. He won his first championship with the Boston Celtics in his rookie year. Afterwards, he went on to win ten championships in the next 12 years, including eight consecutive championships from 1959 to 1966. He won the last two championships in 1968 and 1969 as player-coach. Russell's teammate, Sam Jones, won ten championships from 1959 to 1969, the second most in NBA history. Four Celtics players, Tom Heinsohn, K.C. Jones, Satch Sanders and John Havlicek, won eight championships each. Two other Celtics, Jim Loscutoff and Frank Ramsey, won seven championships each. Four players, Bob Cousy, Kareem Abdul-Jabbar, Michael Jordan and Scottie Pippen, won six championships each. Jordan and Pippen are members of the Chicago Bulls team who won three consecutive championships twice in the 1990s. George Mikan won two championships in the NBL before it merged with the BAA to form the NBA, and won five championships in the NBA.

Answer this question based on the passage: who has the most nba championships in nba history?
Student B:
OK... The important part for answering this question is: Boston Celtics center Bill Russell holds the record for the most NBA championships won with 11 titles during his 13-year playing career.
Boston Celtics center Bill Russell.