Assertion: apparition | /r/CapableOf | begin in the year
Facets:
value: prior to a greatest elongation
type: TEMPORAL
value: often
type: TEMPORAL
Source sentences:
text: Note that the sequence is based specifically upon Venus ' greatest elongation dates and not on its apparitions; an apparition often begins in the year prior to a greatest elongation, or it ends in the year following a greatest elongation.