With no explanation, label each line with "location-GPE", "building-other", "O", "location-road/railway/highway/transit", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
Watford
Vicarage
Road
is
a
proposed
London
Underground
station
in
Watford
,
Hertfordshire
.
Watford:location-road/railway/highway/transit
Vicarage:location-road/railway/highway/transit
Road:location-road/railway/highway/transit
is:O
a:O
proposed:O
London:building-other
Underground:building-other
station:building-other
in:O
Watford:location-GPE
,:O
Hertfordshire:location-GPE
.:O