With no explanation, label each line with "O", "other-biologything", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
This
is
typically
a
seasonal
event
and
controlled
by
light
exposure
through
the
pineal
gland
that
releases
melatonin
.
This:O
is:O
typically:O
a:O
seasonal:O
event:O
and:O
controlled:O
by:O
light:O
exposure:O
through:O
the:O
pineal:other-biologything
gland:other-biologything
that:O
releases:O
melatonin:other-biologything
.:O