With no explanation, label each line with "art-music", "O", "art-broadcastprogram", "art-film", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
On
18
January
the
band
revealed
another
track
from
the
album
called
``
Hey
Anna
Lena
``
,
followed
by
a
video
on
26
January
of
the
band
recording
this
song
.
On:O
18:O
January:O
the:O
band:O
revealed:O
another:O
track:O
from:O
the:O
album:O
called:O
``:O
Hey:art-music
Anna:art-music
Lena:art-music
``:O
,:O
followed:O
by:O
a:O
video:O
on:O
26:O
January:O
of:O
the:O
band:O
recording:O
this:O
song:O
.:O