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 ":".
Sandton
houses
the
flagship
station
of
the
Gautrain
rapid
rail
link
.
Sandton:O
houses:O
the:O
flagship:O
station:O
of:O
the:O
Gautrain:building-other
rapid:O
rail:O
link:O
.:O