Problem: Given the question: Information:  - An honorific is a title that conveys esteem or respect when used in addressing or referring to a person. Sometimes, the term "honorific" is used in a more specific sense to refer to an honorary academic title. It is also often conflated with systems of honorific speech in linguistics, which are grammatical or morphological ways of encoding the relative social status of speakers.  - Dimitar Ivanov Popov ( Bulgarian :    ) ( October 13 , 1894 -- October 25 , 1975 ) was a Bulgarian organic chemist and an academician of the Bulgarian Academy of Sciences . Prof. D. Ivanov is known by his father 's name Ivanov rather than his family 's name Popov . He is the namesake of the Ivanov reaction in chemistry .  - A national academy is an organizational body, usually operating with state financial support and approval, that co-ordinates scholarly research activities and standards for academic disciplines, most frequently in the sciences but also the humanities. Typically the country's learned societies in individual disciplines will liaise with or be co-ordinated by the national academy. National academies play an important organizational role in academic exchanges and collaborations between countries.  - An academy (Attic Greek: ; Koine Greek ) is an institution of secondary education, higher learning, research, or honorary membership.  - Bulgaria (tr. '), officially the Republic of Bulgaria (tr. '), is a country in southeastern Europe. It is bordered by Romania to the north, Serbia and Macedonia to the west, Greece and Turkey to the south, and the Black Sea to the east. With a territory of , Bulgaria is Europe's 16th-largest country.  - An academician is a full member of an artistic, literary, or scientific academy. In many countries, it is an honorific title used to denote a full member of an academy that has a strong influence on national scientific life. In systems such as the Academy of Sciences of the USSR, the title grants privileges and administrative responsibilities for funding allocation and research priorities.  - Sofia (or or ;) ("Sofiya",) is the capital and largest city of Bulgaria. The city has a population of 1.26 million, while 1.68 million people live in its metropolitan area. The city is located at the foot of Vitosha Mountain in the western part of the country, within less than drive from the Serbian border. Its location in the centre of the Balkan peninsula means that it is the midway between the Black Sea and the Adriatic Sea, whereas the Aegean Sea is the closest to it.  - The Bulgarian Academy of Sciences (abbreviated BAS, in Bulgarian:    , "Balgarska akademiya na naukite", abbreviated "") is the National Academy of Bulgaria, established in 1869. The Academy, located in Sofia, is autonomous and has a Society of Academicians, Correspondent Members and Foreign Members. It publishes and circulates different scientific works, encyclopedias, dictionaries and journals, and runs its own publishing house. Stefan Vodenicharov has been president of the BAS since 2012. Its budget in 2009 was 84 million leva, or 42.7 million euro. The Bulgarian Space Agency, part of the BAS, has a budget of 1 million euro.    Given the information, choose the subject and object entities that have the relation of 'place of birth'.
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The answer is:
dimitar ivanov popov , sofia


Problem: Given the question: Information:  - Viacom, Inc. (known simply as Viacom) is an American media conglomerate with interests primarily in cinema and cable television. It is currently the world's sixth largest broadcasting and cable company in terms of revenue, behind Comcast, The Walt Disney Company, Time Warner, 21st Century Fox and CBS Corporation, respectively. Voting control of Viacom is held by National Amusements, Inc., a privately owned theater company controlled by the billionaire Sumner Redstone. Redstone also holds via National Amusements a controlling stake in CBS Corporation.  - Color Classics were a series of animated short subjects produced by Fleischer Studios for Paramount Pictures from 1934 to 1941 as a competitor to Walt Disney's "Silly Symphonies". As the name implies, all of the shorts were made in color, with the first entry in the series, "Poor Cinderella", being the first color cartoon produced by the Fleischer studio. There were 36 films produced in this series.  - Paramount Pictures Corporation (known professionally as Paramount Pictures and often referred to simply as Paramount) is an American film studio based in Hollywood, California, that has been a subsidiary of the American media conglomerate Viacom since 1994. Paramount is the fifth oldest surviving film studio in the world, the second oldest in the United States, and the sole member of the "Big Six" film studios still located in the Los Angeles neighborhood of Hollywood. In 1916 Zukor contracted 22 actors and actresses and honored each with a star on the logo. These fortunate few would become the first "movie stars." Paramount Pictures is a member of the Motion Picture Association of America (MPAA).  - David "Dave" Fleischer (July 14, 1894  June 25, 1979) was an American film director and producer, best known as a co-owner of Fleischer Studios with his older brother Max Fleischer. He was a native of New York City.  - Max Fleischer (July 19, 1883  September 11, 1972) was an American animator, inventor, film director and producer.  - Christmas Comes But Once a Year is a 1936 animated short produced by Fleischer Studios and released on December 4 , 1936 by Paramount Pictures . It is part of the Color Classics series .  - Fleischer Studios, Inc., was an American corporation which originated as an animation studio located at 1600 Broadway, New York City, New York. It was founded in 1921 as Inkwell Studios (Out of the Inkwell Films, Inc.) by brothers Max Fleischer and Dave Fleischer who ran the pioneering company from its inception until Paramount Pictures, the studio's parent company and the distributor of its films, acquired ownership. In its prime, The Fleischer Studio was a premier producer of animated cartoons for theaters, with Walt Disney Productions's becoming its chief competitor in the 1930s.  - Out of the Inkwell was a major animated series of the silent era produced by Max Fleischer from 1918 to 1929. The series was the result of three short experimental films that Max Fleischer independently produced in the period of 19141916 to demonstrate his invention, the Rotoscope, which was a device consisting of a film projector and easel used as an aid for achieving realistic movement for animated cartoons. The Rotoscope would project motion picture film through an opening in the easel, covered by a glass pane serving as a drawing surface. The image on the projected film was traced onto paper, advancing the film one frame at a time as each drawing would be made. Fleischer's younger brother Dave Fleischer was working as a clown at Coney Island, and served as the model for what was to become their first famous character that later evolved as "Koko the Clown."    Given the information, choose the subject and object entities that have the relation of 'director'.
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The answer is:
christmas comes but once a year , max fleischer