With no explanation, label each line with "building-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Amsterdam
Centraal
is
also
an
international
railway
station
.
Amsterdam:building-other
Centraal:building-other
is:O
also:O
an:O
international:O
railway:O
station:O
.:O