With no explanation, label each line with "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
``
,
accompanied
by
Bruno
the
Trashman
on
rollerskates
.
``:O
,:O
accompanied:O
by:O
Bruno:person-other
the:O
Trashman:O
on:O
rollerskates:O
.:O