With no explanation, label each line with "location-GPE", "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Olafsson
delayed
the
planned
September
19
start
date
of
the
match
in
a
bid
to
get
the
Soviets
to
release
Victor
's
son
.
Olafsson:person-other
delayed:O
the:O
planned:O
September:O
19:O
start:O
date:O
of:O
the:O
match:O
in:O
a:O
bid:O
to:O
get:O
the:O
Soviets:location-GPE
to:O
release:O
Victor:person-other
's:O
son:O
.:O