With no explanation, label each line with "art-film", "O", "person-other", "art-broadcastprogram", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
On
1
August
2009
,
two
weeks
before
``
District
9
``
was
released
to
cinemas
,
Neill
Blomkamp
hinted
that
he
intended
to
make
a
sequel
if
the
film
was
successful
enough
.
On:O
1:O
August:O
2009:O
,:O
two:O
weeks:O
before:O
``:O
District:art-film
9:art-film
``:O
was:O
released:O
to:O
cinemas:O
,:O
Neill:person-other
Blomkamp:person-other
hinted:O
that:O
he:O
intended:O
to:O
make:O
a:O
sequel:O
if:O
the:O
film:O
was:O
successful:O
enough:O
.:O