With no explanation, label each line with "O", "location-park", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Laguna
San
Rafael
National
Park
,
reachable
only
by
boat
or
plane
,
is
one
of
the
region
's
most
popular
tourist
destinations
.
Laguna:location-park
San:location-park
Rafael:location-park
National:location-park
Park:location-park
,:O
reachable:O
only:O
by:O
boat:O
or:O
plane:O
,:O
is:O
one:O
of:O
the:O
region:O
's:O
most:O
popular:O
tourist:O
destinations:O
.:O