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 ":".
IKAP
is
now
also
widely
acknowledged
to
have
a
role
in
transcriptional
elongation
in
humans
.
IKAP:O
is:O
now:O
also:O
widely:O
acknowledged:O
to:O
have:O
a:O
role:O
in:O
transcriptional:O
elongation:O
in:O
humans:O
.:O