Assertion: country's river | /r/HasAspect | their sources
Facets:
value: outside the country
type: LOCATION
value: in the t’aebaek mountains
type: LOCATION
Source sentences:
text: ’s three principal rivers, the Han, Kŭm, and Naktong, all have their sources in the T’aebaek Mountains, and they flow between the ranges before entering their lowland plains.
text: All drainage reaches the North Sea, and the principal rivers—Rhine, Maas (Meuse), and Schelde—have their sources outside the country.