Question: Information: - Olenica is a town in Lower Silesian Voivodeship, in south-western Poland. From 19751998 it was in former Wrocaw Voivodeship. It is the administrative seat of Olenica County and also of the rural district of Gmina Olenica, although it is not part of the territory of the latter, the town being an urban gmina in its own right. - Pozna (known also by other historical names) is a city on the Warta river in west-central Poland, in the Greater Poland region. It is best known for its renaissance Old Town, destroyed during World War II and then rebuilt, and Ostrow Tumski Cathedral. Today, Pozna is an important cultural and business centre and one of Poland's most populous regions with many regional customs such as Jarmark witojaski, traditional Saint Martin's croissants and a local dialect. - The Widawa ( German : Weide ) is a river in Poland , a right - bank tributary of the Oder River . Towns along the Widawa include Namysow , Bierutow , and Psie Pole . - Olenica County is a unit of territorial administration and local government (powiat) in Lower Silesian Voivodeship, south-western Poland. It was created on January 1, 1999 as a result of the Polish local government reforms passed in 1998. The county covers an area of . Its administrative seat is the town of Olenica, and it also contains the towns of Sycow, Twardogora, Bierutow and Midzyborz. - "Main Stem" is 1942 instrumental by Duke Ellington and His Famous Orchestra. Although recorded in 1942, the single would not be released until 1944 where it was Duke Ellington's last of four number one's on the Harlem Hit Parade. "Main Stem" also peaked at number twenty on the pop chart. - Wrocaw (, ; ) is the largest city in western Poland. It is on the River Oder in the Silesian Lowlands of Central Europe, roughly 350 kilometres (220mi) from the Baltic Sea to the north and 40 kilometres (25mi) from the Sudeten Mountains to the south. Wrocaw is the historical capital of Silesia and Lower Silesia. Today, it is the capital of the Lower Silesian Voivodeship. At various times in history, it has been part of the Kingdom of Poland, Bohemia, Hungary, the Austrian Empire, Prussia and Germany. It became part of Poland in 1945, as a result of the border changes after the Second World War. The population of Wrocaw in 2016 was 637,075 making it the fourth-largest city in Poland and the main city of Wrocaw agglomeration. - A tributary or affluent is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage basin of its surface water and groundwater, leading the water out into an ocean. - The Oder (Czech, Lower Sorbian and , Upper Sorbian: "Wodra") is a river in Central Europe. It rises in the Czech Republic and flows (generally north- and northwest-ward) through western Poland, later forming of the border between Poland and Germany, part of the OderNeisse line. The river ultimately flows into the Szczecin Lagoon north of Szczecin and then into three branches (the Dziwna, wina and Peene) that empty into the Gulf of Pomerania of the Baltic Sea. - Gmina Bierutow is an urban-rural gmina (administrative district) in Olenica County, Lower Silesian Voivodeship, in south-western Poland. Its seat is the town of Bierutow, which lies approximately south-east of Olenica, and east of the regional capital Wrocaw. - Poland, officially the Republic of Poland, is a country in Central Europe, situated between the Baltic Sea in the north and two mountain ranges (the Sudetes and Carpathian Mountains) in the south. Bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine and Belarus to the east; and the Baltic Sea, Kaliningrad Oblast (a Russian exclave) and Lithuania to the north. The total area of Poland is , making it the 69th largest country in the world and the 9th largest in Europe. With a population of over 38.5million people, Poland is the 34th most populous country in the world, the 8th most populous country in Europe and the sixth most populous member of the European Union. Poland is a unitary state divided into 16 administrative subdivisions, and its capital and largest city is Warsaw. Other metropolises include Krakow, Wrocaw, Pozna, Gdask and Szczecin. - Psie Pole is one of the five administrative districts of Wrocaw, Poland. It lies in the city's northern and northeastern parts, on the right shore of the Oder River. A part of Psie Pole is one of Wrocaw's greenest neighborhoods, though its suburban location makes it an important transport hub toward Warsaw, od and other locations in central Poland. Psie Pole is considered to be the site of the 1109 Battle of Hundsfeld between the Poles and the Germans, although the existence of this battle is doubted by historians because it was not mentioned until a century later. - A drainage basin or catchment basin is an extent or an area of land where all surface water from rain, melting snow, or ice converges to a single point at a lower elevation, usually the exit of the basin, where the waters join another body of water, such as a river, lake, reservoir, estuary, wetland, sea, or ocean. Thus if a tributary stream joins a brook that in turn joins a small river which is a tributary of a larger river, there is a series of successively larger (and lower elevation) drainage basins. For instance, the Missouri and Ohio rivers are within their own drainage basins and also within the drainage basin of the Mississippi River. - Bierutow is a town in Olenica County, Lower Silesian Voivodeship, in south-western Poland. It is the seat of the administrative district (gmina) called Gmina Bierutow. The town lies approximately south-east of Olenica, and east of the regional capital Wrocaw. What is the relationship between 'widawa' and 'olesnica'?
Answer:
tributary