Assertion: elephant seal's blubber | /r/ObjectUse | used for lamp oil
Facets:
Source sentences:
text: After whales became scarce, elephant seals were hunted to the brink of extinction, primarily for their blubber, which was used for lamp oil.
text: In the 1800's, the Northern Elephant Seal was hunted to the brink of extinction for its blubber (which was used for lamp oil).
text: In the 1800's, the Northern Elephant Seal was hunted to the brink of extinction for its blubber (which was used for lamp oil).