Assertion: ocean's boundary | /r/CapableOf | extend through the kuril and japan trenches
Facets:
value: from the aleutian trench
type: LOCATION
value: in the north
type: LOCATION
Source sentences:
text: The seaward boundary of the western Pacific region is marked by a broken line of oceanic trenches, extending from the Aleutian Trench in the north through the Kuril and Japan trenches and southward to the Tonga and Kermadec trenches, terminating close to the northeast of North Island, New Zealand.