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
is
a
fastidious
,
facultative
intracellular
bacterium
,
which
requires
cysteine
for
growth
.
It:O
is:O
a:O
fastidious:O
,:O
facultative:O
intracellular:O
bacterium:O
,:O
which:O
requires:O
cysteine:O
for:O
growth:O
.:O