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 ":".
She
remained
in
the
chorus
and
they
toured
the
country
.
She:O
remained:O
in:O
the:O
chorus:O
and:O
they:O
toured:O
the:O
country:O
.:O