With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
The
new
typhoon
shelter
had
a
size
of
26
hectares
(
65
acres
)
.
The:O
new:O
typhoon:O
shelter:O
had:O
a:O
size:O
of:O
26:O
hectares:O
(:O
65:O
acres:O
):O
.:O