Assertion: oil spill | /r/HasProperty | hazardous
Facets:
value: very
type: DEGREE
value: generally
type: DEGREE
Source sentences:
text: Oil spills are generally very messy, hazardous and environmentally threatening.
text: An oil spill in an artic environment can be very dangerous.
text: Oil spills can be extremely hazardous and environmentally threatening, and need to be contained and cleaned as soon as possible.