With no explanation, label each line with "O", "location-road/railway/highway/transit", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
(
See
Northeast
Passage
.
)
(:O
See:location-road/railway/highway/transit
Northeast:location-road/railway/highway/transit
Passage:location-road/railway/highway/transit
.:O
):O