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 ":".
He
called
the
white
supremacists
cowards
and
said
:
He:O
called:O
the:O
white:O
supremacists:O
cowards:O
and:O
said:O
::O