Assertion: drainage basin's tributary | /r/HasProperty | warta
Facets:
Source sentences:
text: The principal left-bank tributaries are the Opava of the Czech Republic and the Osobłoga, Nysa Kłodzka, Oława, Ślęza, Bystrzyca, Kaczawa, Bóbr, and Neisse of Poland; from the east the main tributaries are the Olše of the Czech Republic and the Kłodnica, Mała Panew, Strobrawa, Widawa, Barycz, Obrzyca, Warta, Myśla, and Ina of Poland.