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
A
's
half
of
the
seventh
also
dramatic
.
The:O
A:O
's:O
half:O
of:O
the:O
seventh:O
also:O
dramatic:O
.:O