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 ":".
Operations
on
the
line
ceased
in
August
2019
.
Operations:O
on:O
the:O
line:O
ceased:O
in:O
August:O
2019:O
.:O