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
oil
fields
were
subject
to
a
separate
agreement
,
which
cost
the
Austrians
around
200
million
dollars
.
The:O
oil:O
fields:O
were:O
subject:O
to:O
a:O
separate:O
agreement:O
,:O
which:O
cost:O
the:O
Austrians:O
around:O
200:O
million:O
dollars:O
.:O