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 ":".
An
eye
,
embedded
within
the
deep
convection
,
developed
later
in
the
day
.
An:O
eye:O
,:O
embedded:O
within:O
the:O
deep:O
convection:O
,:O
developed:O
later:O
in:O
the:O
day:O
.:O