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 ":".
It
consisted
of
companies
operating
in
the
following
areas
:
It:O
consisted:O
of:O
companies:O
operating:O
in:O
the:O
following:O
areas:O
::O