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
formally
went
professional
in
1998
.
She:O
formally:O
went:O
professional:O
in:O
1998:O
.:O