Assertion: oil spill | /r/HasProperty | the worst oil spill
Facets:
value: in u.s. history
type: LOCATION
value: worldwide
type: LOCATION
Source sentences:
text: It is considered the worst oil spill worldwide in terms of damage to the environment.
text: In the wake of the EXXON Valdez oil spill — one of the worst U.S. spills in history
text: The Deepwater Horizon oil spill is considered the worst oil spill in U.S. history.