In this task, you're given a passage, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.

Passage: At the quayside, Marshal Foch saluted the casket before it was carried up the gangway of the destroyer, , and piped aboard with an admiral's call. The Verdun slipped anchor just before noon and was joined by an escort of six battleships. As the flotilla carrying the casket closed on Dover Castle it received a 19-gun Field Marshal's salute. It was landed at Dover Marine Railway Station at the Western Docks on 10 November. The body of the Unknown Warrior was carried to London in South Eastern and Chatham Railway General Utility Van No.132, which had previously carried the bodies of Edith Cavell and Charles Fryatt. The van has been preserved by the Kent and East Sussex Railway. The train went to Victoria Station, where it arrived at platform 8 at 8.32 pm that evening and remained overnight. ( marks the site: every year on 10 November, a small Remembrance service, organised by The Western Front Association, takes place between platforms 8 and 9.)
 Link Information: 

Edith Louisa Cavell (; 4 December 1865 – 12 October 1915 Question: How much time was between the deaths of the people carried by General Utility Van No. 132 before the Unknown Warrior?
Answer: 9

Passage: Thomas Stephen Kenan (February 12, 1838 – December 23, 1911) was a Confederate soldier, and later a politician. His parents were Sarah Rebecca Graham and Owen Rand Kenan; he was the grandson of U.S. Congressman Thomas Kenan and great-grandson of Revolutionary War general James Kenan. He started his education in Duplin County, North Carolina at Old Grove Academy in Kenansville (the town was named for his great-grandfather in 1818). Later he spent a year at Central Military Institute in Selma, Alabama. Thomas spent his freshman year of college at Wake Forest in June. Thomas then transferred his sophomore year to the University of North Carolina, where he would graduate in 1857. He studied law for two years with Judge Pearson at Richmond Hill where he practiced law in Kenansville. After graduation and during the Civil War he became Captain of the Duplin Rifles in the Confederate States Army, elected lieutenant colonel of the 43rd North Carolina Infantry Regiment in April 1862, and was promoted to colonel later that year. He was wounded at the Battle of Gettysburg. While on an ambulance train, he and his older brother James Kenan were both captured; they were then imprisoned on Johnson's Island, Ohio. On March 22, 1865, he was released on parole but never switched sides during the war. On his return home he was elected to the state legislature from 1865 to 1867. Later that year he ran for Congress and lost. Not letting that defeat end his political career, he moved to Wilson, North Carolina, where he became mayor and was elected North Carolina Attorney General, serving from 1877 to 1885. In May 1868 he married Miss Sallie Dortch, but they had no children; Sallie died in 1916.
 Link Information: Thomas Stephen Kenan (February 26, 1771 – October 22, 1843) Question: How old was Thomas Kenan's grandfather when he died?
Answer: 72

Passage: From 1931, Hermes studied mathematics, physics, chemistry, biology and philosophy at the University of Freiburg. In 1937 he passed the state examination in Münster and was attending there in 1938 when the physicist Adolf Kratzer was present. After that he went on a scholarship to the University of Göttingen and then became an assistant at the University of Bonn. During World War II he was a soldier on the Channel Island of Jersey until 1943 and then on to the Chemical Physics Institute of the Navy in Kiel. At the end of the war he moved to Toplitzsee, where he was tasked with working on new encryption methods. In 1947, he became a lecturer at the University of Bonn where he took his habilitation, his thesis called Analytical manifolds in Riemannian areas. In 1949 he became a Professor at the University of Münster, where he turned back to the subject of mathematical logic.
 Link Information: none Question: What classes did Hans Hermes teach at the University of Munster?

Answer: none