With no explanation, label each line with "building-other", "O", "location-road/railway/highway/transit", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
President
Herbert
Hoover
conceived
the
idea
of
the
Skyline
Drive
during
vacations
at
his
Rapidan
Camp
.
President:O
Herbert:person-other
Hoover:person-other
conceived:O
the:O
idea:O
of:O
the:O
Skyline:location-road/railway/highway/transit
Drive:location-road/railway/highway/transit
during:O
vacations:O
at:O
his:O
Rapidan:building-other
Camp:building-other
.:O