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 ":".
Booking
office
at
the
pier
.
Booking:O
office:O
at:O
the:O
pier:O
.:O