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
hospital
has
had
different
facilities
in
the
city
.
The:O
hospital:O
has:O
had:O
different:O
facilities:O
in:O
the:O
city:O
.:O