Assertion: continent's area | /r/CapableOf | bound by the lena river
Facets:
value: in russia
type: LOCATION
value: on the west
type: LOCATION
Source sentences:
text: Beringia is defined today as the land and maritime area bounded on the west by the Lena River in Russia; on the east by the Mackenzie River in Canada; on the north by 72 degrees north latitude in the Chukchi Sea; and on the south by the tip of the Kamchatka Peninsula.