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 ":".
The
1:21
song
was
accompanied
by
animation
of
robots
playing
with
children
and
assisting
with
household
chores
.
The:O
1:21:O
song:O
was:O
accompanied:O
by:O
animation:O
of:O
robots:O
playing:O
with:O
children:O
and:O
assisting:O
with:O
household:O
chores:O
.:O