Assertion: canyon | /r/HasProperty | long
Facets:
value: very
type: DEGREE
value: usually
type: DEGREE
Source sentences:
text: The canyon is 16 km (10 miles) long, 1.6 km (1 mile) wide and 1,100 meter (3,600 feet) deep.
text: More often than not, canyons and gorges have rivers streaming through them and are usually very long and narrow.