With no explanation, label each line with "O", "other-god", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
It
is
often
now
called
the
Whale
,
though
it
is
most
strongly
associated
with
Cetus
the
sea-monster
,
who
was
slain
by
Perseus
as
he
saved
the
princess
Andromeda
from
Poseidon
's
wrath
.
It:O
is:O
often:O
now:O
called:O
the:O
Whale:O
,:O
though:O
it:O
is:O
most:O
strongly:O
associated:O
with:O
Cetus:other-god
the:O
sea-monster:O
,:O
who:O
was:O
slain:O
by:O
Perseus:other-god
as:O
he:O
saved:O
the:O
princess:O
Andromeda:other-god
from:O
Poseidon:other-god
's:O
wrath:O
.:O