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 ":".
Many
communes
and
cities
also
have
their
own
flags
.
Many:O
communes:O
and:O
cities:O
also:O
have:O
their:O
own:O
flags:O
.:O