Assertion: billboard | /r/HasProperty | driversprimary method
Facets:
value: at the time
type: TEMPORAL
value: often
type: DEGREE
Source sentences:
text: Billboards are often drivers' primary method of finding lodging, food, and fuel on unfamiliar highways.
text: At the time, billboards, posters, and paper advertisements placed in public spaces were the primary means of advertising.
text: A billboard is a secondary advertising medium, which means that it’s ideal for brand-building and supporting a campaign, but it cannot do the heavy lifting.