Assertion: mature river | /r/HasProperty | fed by many tributaries
Facets:
Source sentences:
text: A mature river is fed by many tributaries and has more discharge than a youthful river.
text: A mature river is fed by many tributaries and has more discharge than a youthful river.
text: A mature river is fed by many tributaries and has more discharge than a youthful river.
text: A mature river is fed by many tributaries and has more discharge than a youthful river.