Assertion: trench | /r/HasProperty | long
Facets:
value: with a width
type: OTHER
value: in the ground
type: LOCATION
Source sentences:
text: Trenches are long, narrow and very deep and, while most are in the Pacific Ocean, can be found around the world.
text: A trench is a long depression in the ground which is deeper than it is wide, with a width which is significantly smaller than its length.