Problem: Given the question: Information:  - Flight training is a course of study used when learning to pilot an aircraft. The overall purpose of primary and intermediate flight training is the acquisition and honing of basic airmanship skills.  - Mostar is a city and municipality in southern Bosnia and Herzegovina. Inhabited by 105,797 people, it is the most important city in the Herzegovina region, its cultural capital, and the center of the Herzegovina-Neretva Canton of the Federation. Mostar is situated on the Neretva River and is the fifth-largest city in the country. Mostar was named after the bridge keepers ("mostari") who in the medieval times guarded the Stari Most (Old Bridge) over the Neretva. The Old Bridge, built by the Ottomans in the 16th century, is one of Bosnia and Herzegovina's most recognizable landmarks, and is considered one of the most exemplary pieces of Islamic architecture in the Balkans.  - A jet aircraft (or simply jet) is an aircraft (nearly always a fixed-wing aircraft) propelled by jet engines (jet propulsion).  - Soko (Cyrillic: ) was an Yugoslav aircraft manufacturer based in Mostar, SR Bosnia and Herzegovina. The company was responsible for the production of many military aircraft for the Yugoslav Air Force.  - The Soko G - 4 Super Galeb ( English : Super Seagull ) is a single - engine , advanced jet trainer and light ground - attack aircraft designed by the Aeronautical Technical Institute and manufactured by SOKO of Yugoslavia .  - A jet trainer is a jet aircraft for use as a trainer, whether for basic or advanced flight training. Jet trainers are either custom designs or modifications of existing aircraft. With the introduction of military jet-powered aircraft towards the end of the second world war it became a requirement to train pilots in the handling of such aircraft.  - The Yugoslav Air Force (  ) was the air force of Yugoslavia, and functioned as one of three branches of the military, the Yugoslav People's Army (JNA). The official name of the branch was Air Force and Anti-Air Defence ("Ratno zrakoplovstvo i protuzrana obrana", RZ i PZO;     ,   ). At its height, it was one of the largest air forces in Europe. The Yugoslav Air Force was disbanded following the war in Yugoslavia 1991-1995.  - A military aircraft is any fixed-wing or rotary-wing aircraft that is operated by a legal or insurrectionary armed service of any type. Military aircraft can be either combat or non-combat:    Given the paragraphs above, decide what entity has the relation 'use' with 'flight training'.
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The answer is:
soko g-4 super galeb
Please answer this: Information:  - Giessen, spelled Gießen in German, is a town in the German federal state ("Bundesland") of Hesse, capital of both the district of Giessen and the administrative region of Giessen. The population is approximately 78,000, with roughly 24,000 university students.  - Hesse or Hessia (, Hessian dialect: "Hesse" ) is a federal state ("Land") of the Federal Republic of Germany, with just over six million inhabitants. The state capital is Wiesbaden; the largest city is Frankfurt am Main. Until the formation of the German Reich in 1871, Hesse was an independent country ruled by a Grand Duke (Grand Duchy of Hesse). Due to divisions after World War II, the modern federal state does not cover the entire cultural region of Hesse which includes both the State of Hesse and the area known as Rhenish Hesse (Rheinhessen) in the neighbouring state of Rhineland-Palatinate.  - Ernst Friedberger ( May 17 , 1875 - January 25 , 1932 ) was a German immunologist and hygienist born in Giessen . In 1899 he received his medical doctorate at the University of Giessen , and in 1901 became an assistant at the University of Königsberg , where in 1903 he was habilitated as a lecturer in hygiene . In 1908 he attained the directorship of experimental therapy at the Institute of Pharmacology at the University of Berlin . From 1915 to 1926 he was professor of hygiene at the University of Greifswald , and afterwards director of the Preußischen Forschungsinstituts für Hygiene und Immunitätslehre ( Research Institute of Hygiene and Immunology ) in Berlin - Dahlem . Friedberger is remembered for his investigations of anaphylaxis . He demonstrated that the specific arrangement between antigen , antibody , and complement is accompanied by the manufacture of anaphylatoxin , a word he used for the poison that was supposed to be the same with the one produced in vivo during anaphylactic shock . Later in his career , he dealt with various aspects of the immune system involving bacterial pathogens , with epidemiological research , and with hygiene issues concerning clothing , living quarters , etc.    Given the paragraphs above, decide what entity has the relation 'place of birth' with 'gießen'.
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Answer:
ernst friedberger