With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
film
is
set
in
the
American
oilfields
and
the
title
refers
to
oil
.
The:O
film:O
is:O
set:O
in:O
the:O
American:location-GPE
oilfields:O
and:O
the:O
title:O
refers:O
to:O
oil:O
.:O