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 ":".
Its
downtown
location
attracts
tourists
and
residents
,
frequently
used
for
walking
,
cycling
,
and
running
.
Its:O
downtown:O
location:O
attracts:O
tourists:O
and:O
residents:O
,:O
frequently:O
used:O
for:O
walking:O
,:O
cycling:O
,:O
and:O
running:O
.:O