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 ":".
This
visitor
center
exemplifies
the
philosophy
of
locating
visitor
facilities
immediately
at
the
resource
being
interpreted
.
This:O
visitor:O
center:O
exemplifies:O
the:O
philosophy:O
of:O
locating:O
visitor:O
facilities:O
immediately:O
at:O
the:O
resource:O
being:O
interpreted:O
.:O