With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Black Panther is a superhero TV show.
text_B: Carl Zeiss -LRB- 11 September 1816 -- 3 December 1888 -RRB- was a German scientific instrument maker , optician and businessman who founded the workshop of Carl Zeiss in 1846 which is still in business today as Carl Zeiss AG .. Carl Zeiss AG. Carl Zeiss AG. Zeiss gathered a group of gifted practical and theoretical opticians and glass makers to reshape most aspects of optical instrument production .. His collaboration with Ernst Abbe revolutionized optical theory and practical design of microscopes .. Their quest to extend these advances brought Otto Schott into the enterprises to revolutionize optical glass manufacture .. The firm of Carl Zeiss grew to one of the largest and most respected optical firms in the world .. His father Johann Gottfried August Zeiss -LRB- 1785 -- 1849 -RRB- was born in Rastenberg , where his forefathers had worked as artisans for over 100 years .. August moved with his parents to Buttstadt , a small regional capital north of Weimar , where he married Johanna Antoinette Friederike -LRB- 1786 -- 1856 -RRB- .. Weimar. Weimar. August Zeiss then moved to Weimar , the capital of the grand duchy of Sachsen-Weimar-Eisenach , leaving the family business in the hands of his brothers .. Weimar. Weimar. There he became a well respected ornamental turner , crafting lathe turned work in mother of pearl , amber , ivory and other exotic materials .. His luxury article business brought him into contact with the crown prince , and later grand duke , Karl Friedrich of Sachsen-Weimar-Eisenach -LRB- 1783-1853 -RRB- , successor to Carl August .. Weimar. Weimar. The crown prince sought a master to teach him ornamental turning and found one in August Zeiss .. The friendship of master and apprentice lasted 40 years .. When a son was born to the Zeiss family on September 11,1816 as the fifth of six surviving children .. The newborn son was baptized in honor of his godfather the crown prince and his father the archduke , '' Carl Friedrich . ''. Of Zeiss ' siblings , three sisters and two brothers reached adulthood .
not_related.