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
attack
created
support
for
federal
civil
rights
legislation
.
This:O
attack:O
created:O
support:O
for:O
federal:O
civil:O
rights:O
legislation:O
.:O