Assertion: complement | /r/HasProperty | the opposite
Facets:
value: of that event
type: OTHER
Source sentences:
text: The complement of an event is the "opposite" of that event.
text: The tilde, in the set-relation context, says that I now want to find the complement (in a sense, the opposite) of whatever is being negated or "thrown out"; in this case, that's the set A.