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 ":".
Follow-up
epidemiology
studies
have
linked
no
incidents
of
cancer
to
the
accident
.
Follow-up:O
epidemiology:O
studies:O
have:O
linked:O
no:O
incidents:O
of:O
cancer:O
to:O
the:O
accident:O
.:O