With no explanation, label each line with "O", "location-road/railway/highway/transit", "location-mountain", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Desert
Inn
Road
,
an
east–west
Las
Vegas
Valley
roadway
,
still
exists
.
Desert:location-road/railway/highway/transit
Inn:location-road/railway/highway/transit
Road:location-road/railway/highway/transit
,:O
an:O
east–west:O
Las:location-mountain
Vegas:location-mountain
Valley:location-mountain
roadway:O
,:O
still:O
exists:O
.:O