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 ":".
Mr
.
Dollé
,
who
sat
silently
in
the
front
row
,
hastily
left
the
news
conference
refusing
to
answer
questions
.
Mr:O
.:O
Dollé:person-other
,:O
who:O
sat:O
silently:O
in:O
the:O
front:O
row:O
,:O
hastily:O
left:O
the:O
news:O
conference:O
refusing:O
to:O
answer:O
questions:O
.:O