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 ":".
At
this
point
,
vehicular
access
comes
to
an
end
.
At:O
this:O
point:O
,:O
vehicular:O
access:O
comes:O
to:O
an:O
end:O
.:O