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 ":".
The
area
is
now
used
for
a
range
of
recreational
purposes
.
The:O
area:O
is:O
now:O
used:O
for:O
a:O
range:O
of:O
recreational:O
purposes:O
.:O