Student A:Context: Herbert S. Zim, in his classic introductory cryptography text "Codes and Secret Writing", gives the English letter frequency sequence as "ETAON RISHD LFCMU GYPWB VKJXQ Z", the most common letter pairs as "TH HE AN RE ER IN ON AT ND ST ES EN OF TE ED OR TI HI AS TO", and the most common doubled letters as "LL EE SS OO TT FF RR NN PP CC".

Question: letters of the alphabet in order of usage?
Student B:OK... The relevant sentence in the passage is: Herbert S. Zim, in his classic introductory cryptography text "Codes and Secret Writing", gives the English letter frequency sequence as "ETAON RISHD LFCMU GYPWB VKJXQ Z", the most common letter pairs as "TH HE AN RE ER IN ON AT ND ST ES EN OF TE ED OR TI HI AS TO", and the most common doubled letters as "LL EE SS OO TT FF RR NN PP CC".
ETAON RISHD LFCMU GYPWB VKJXQ Z.

Problem:Passage: The 2017 College Football Playoff National Championship was a bowl game that was used to determine a national champion of college football in the NCAA Division I Football Bowl Subdivision for the 2016 season. The game was played at Raymond James Stadium in Tampa, Florida, on January 9, 2017. It was the culminating game of the 2016 -- 17 bowl season.

Question: Based on this passage, where is the college football national championship played this year?
Solution:OK... To answer the above question, the relevant sentence is: The game was played at Raymond James Stadium in Tampa, Florida, on January 9, 2017.
Raymond James Stadium in Tampa , Florida.

Student A:However, the first modern three point seat belt (the so-called CIR-Griswold restraint) used in most consumer vehicles today was patented in 1955 U.S. Patent 2,710,649 by the Americans Roger W. Griswold and Hugh DeHaven.

Answer this question based on the passage: when was the three point seat belt invented?
Student B:OK... To answer the above question, the relevant sentence is: However, the first modern three point seat belt (the so-called CIR-Griswold restraint) used in most consumer vehicles today was patented in 1955 U.S. Patent 2,710,649 by the Americans Roger W. Griswold and Hugh DeHaven.
1955.

Problem:Context: The Louvre Pyramid (Pyramide du Louvre) is a large glass and metal pyramid designed by Chinese-American architect I.M. Pei, surrounded by three smaller pyramids, in the main courtyard (Cour Napoleon) of the Louvre Palace (Palais du Louvre) in Paris. The large pyramid serves as the main entrance to the Louvre Museum. Completed in 1989, it has become a landmark of the city of Paris.

Question: when was the glass pyramid at the louvre built?
Solution:OK... The relevant sentence in the passage is: Completed in 1989, it has become a landmark of the city of Paris.
1989.

Student A:Passage: In 2004, the company sold its first camera system, which used 35 mm film. Digital still and video cameras were later introduced. As of 2014, a fixed-lens HD video camera with a wide 170-degree lens was available; two or more can be paired to create 360 video.

Question: Based on this passage, when did the first go pro come out?
Student B:OK... The relevant information is: In 2004, the company sold its first camera system, which used 35 mm film.
2004.

Student A:Context: This is a list of the last World War I veterans to die by country. The last living veteran of World War I (28 July 1914 -- 11 November 1918) was Florence Green, a British citizen who served in the Allied armed forces, and who died 4 February 2012, aged 110. The last combat veteran was Claude Choules who served in the British Royal Navy (and later the Royal Australian Navy) and died 5 May 2011, aged 110. The last veteran who served in the trenches was Harry Patch (British Army) who died on 25 July 2009, aged 111. The last Central Powers veteran, Franz Kunstler of Austria-Hungary, died on 27 May 2008 at the age of 107.

Question: when did the last world war 1 vet die?
Student B:
OK... The relevant information to answer the above question is: The last living veteran of World War I (28 July 1914 -- 11 November 1918) was Florence Green, a British citizen who served in the Allied armed forces, and who died 4 February 2012, aged 110.
4 February 2012.