Assertion: basking shark | /r/HasProperty | harvested for its liver
Facets:
value: historically
type: TEMPORAL
Source sentences:
text: Historically the basking shark was harvested for its liver, which yields large amounts of oil used in oil lamps and as a machine lubricant.
text: Historically the basking shark was harvested for its liver, which yields large amounts of oil used in oil lamps and as a machine lubricant.