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 ":".
When
fully
expanded
,
the
balloons
measured
80
cm
in
diameter
.
When:O
fully:O
expanded:O
,:O
the:O
balloons:O
measured:O
80:O
cm:O
in:O
diameter:O
.:O