Problem: Information: - De Fructibus et Seminibus Plantarum, also known by its standard botanical abbreviation Fruct. Sem. Pl., is a three-volume botanic treatise by Joseph Gaertner. The first volume was published in December 1788. The second volume was published in four parts, in 1790, 1791, 1791 and 1792 respectively. A third volume was published after Gaertner's death by his son Karl Friedrich von Gaertner from 1805 to 1807; this final volume is also known as 'Supplementum Carpologicae', abbreviated as Suppl. Carp.. Most of the illustrations for the work were done by Johann Georg Sturm (1742-1793). - Joseph Gaertner ( March 12 , 1732 -- July 14 , 1791 ) was a German botanist , best known for his work on seeds , De Fructibus et Seminibus Plantarum ( 1788 - 1792 ) . - Joseph Gaertner (12 March 1732 14 July 1791) was a German botanist, best known for his work on seeds, "De Fructibus et Seminibus Plantarum" (1788-1792). What is the relationship between 'joseph gaertner' and '12 march 1732'?

A: date of birth
Problem: Given the question: Information: - An aircraft is a machine that is able to fly by gaining support from the air. It counters the force of gravity by using either static lift or by using the dynamic lift of an airfoil, or in a few cases the downward thrust from jet engines. - The G102 Astir is a single seat glassfibre Standard Class sailplane , designed by Burkhart Grob and built by Grob Aircraft . It was the first Grob - designed sailplane , with the first flight in December 1974 . Grob had previously built the Schempp - Hirth Standard Cirrus under licence . - Grob Aircraft is a German aircraft manufacturer, previously known as "Grob Aerospace". It has been manufacturing aircraft using carbon fiber reinforced polymer since the 1970s. - Schempp-Hirth Flugzeugbau GmbH is a glider manufacturer based in Kirchheim unter Teck, Germany. - Carbon fiber reinforced polymer, carbon fiber reinforced plastic or carbon fiber reinforced thermoplastic (CFRP, CRP, CFRTP or often simply carbon fiber, or even carbon), is an extremely strong and light fiber-reinforced plastic which contains carbon fibers. The spelling 'fibre' is common in British Commonwealth countries. - The Standard Cirrus is a German Standard-class glider built by Schempp-Hirth. The Standard Cirrus was produced between 1969 and 1985. What is the relationship between 'grob g102 astir' and 'glider'?
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The answer is:
subclass of
[Q]: Information: - Denis Sassou Nguesso (born 23 November 1943) is a Congolese politician who has been the President of the Republic of the Congo since 1997; he was previously President from 1979 to 1992. During his first period as President, he headed the single-party regime of the Congolese Party of Labour (PCT) for 12 years. Under pressure from international sources, he introduced multiparty politics in 1990 and was then stripped of executive powers by the 1991 National Conference, remaining in office as a ceremonial head of state. He stood as a candidate in the 1992 presidential election but was defeated, placing third. - The Congolese Party of Labour (PCT), founded in 1969 by Marien Ngouabi, is the ruling political party of the Republic of the Congo. It was originally a Marxist-Leninist pro-Soviet party, which founded the People's Republic of the Congo, but moved towards a moderate left-wing stance in the early 1990s. Denis Sassou Nguesso is President of the PCT Central Committee, and Pierre Ngolo is the PCT's Secretary-General. - Firmin Ayessa ( born 2 November 1951 ) is a Congolese politician . As a long - time associate of President Denis Sassou Nguesso , Ayessa has held a series of key posts at the Presidency of Congo - Brazzaville ; he was Director of the Civil Cabinet of the President from 1999 to 2002 , Deputy Director of the Presidential Cabinet from 2002 to 2007 , and he has been the Director of the Presidential Cabinet , with the rank of Minister of State , since 2007 . What is the relationship between 'firmin ayessa' and 'republic of the congo'?
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[A]:
country of citizenship