Assertion: trench | /r/CapableOf | stretch about 1,000 miles
Facets:
value: from flathead lake in montana
type: LOCATION
value: to the liard river in canada
type: LOCATION
Source sentences:
text: The trench is a fault line stretching about 1,000 miles (1,600 kilometers) from Flathead Lake in Montana to the Liard River in Canada.