Student A:Context: White blood cells (also called leukocytes or leucocytes and abbreviated as WBCs) are the cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders. All white blood cells are produced and derived from multipotent cells in the bone marrow known as hematopoietic stem cells. Leukocytes are found throughout the body, including the blood and lymphatic system.

Question: what type of cells are white blood cells?
Student B:OK... To answer the question, consider the following: White blood cells (also called leukocytes or leucocytes and abbreviated as WBCs) are the cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders.
the cells of the immune system.

Problem:In the history of the Triple Crown, 13 horses have won all three races: Sir Barton (1919), Gallant Fox (1930), Omaha (1935), War Admiral (1937), Whirlaway (1941), Count Fleet (1943), Assault (1946), Citation (1948), Secretariat (1973), Seattle Slew (1977), Affirmed (1978), American Pharoah (2015), and Justify (2018). As of 2018, American Pharoah and Justify are the only living Triple Crown winners.

What was the last horse to win the triple crown?
Solution:OK... The relevant information to answer the above question is: In the history of the Triple Crown, 13 horses have won all three races: Sir Barton (1919), Gallant Fox (1930), Omaha (1935), War Admiral (1937), Whirlaway (1941), Count Fleet (1943), Assault (1946), Citation (1948), Secretariat (1973), Seattle Slew (1977), Affirmed (1978), American Pharoah (2015), and Justify (2018).
Justify ( 2018 ).

Student A:Super Smash Bros. was introduced in 1999 for the Nintendo 64. It was released worldwide after selling over a million copies in Japan. It featured eight characters from the start (Mario, Donkey Kong, Link, Samus, Yoshi, Kirby, Fox, and Pikachu), with four unlockable characters (Luigi, Captain Falcon, Ness, and Jigglypuff), all of them created by Nintendo or one of its second-party developers.

Based on this passage, how many unlockable characters in super smash bros?
Student B:OK... To answer this question, we should know that: It featured eight characters from the start (Mario, Donkey Kong, Link, Samus, Yoshi, Kirby, Fox, and Pikachu), with four unlockable characters (Luigi, Captain Falcon, Ness, and Jigglypuff), all of them created by Nintendo or one of its second-party developers.
four.

Problem:The queen (, ) is the most powerful piece in the game of chess, able to move any number of squares vertically, horizontally or diagonally. Each player starts the game with one queen, placed in the middle of the first rank next to the king. Because the queen is the strongest piece, a pawn is promoted to a queen in the vast majority of cases.

Answer this question based on the passage: how many steps can the queen move in chess?
Solution:OK... This is the relevant information: The queen (, ) is the most powerful piece in the game of chess, able to move any number of squares vertically, horizontally or diagonally.
able to move any number of squares vertically , horizontally or diagonally.

Student A: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.

Answer this question: why is there no i am number four sequel?
Student B:OK... The important part for answering this question is: 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.
due to the disappointing performance of the first installment at the box office.

Student A:The song was originally a country music single by singer Wynn Stewart. Although Stewart had previously hit the Top 40 on the Billboard US country chart with songs such as "Wishful Thinking" in 1960, "It's Such a Pretty World Today" was Stewart's highest charting hit, peaking at No. 1 on the country music chart for two weeks in the late spring of 1967. It was released as a single from his album of the same name that year.

Who sang the song it's such a pretty world today?
Student B:
OK... To answer the question, consider the following: The song was originally a country music single by singer Wynn Stewart.
singer Wynn Stewart.