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 ":".
Ultimately
,
they
decided
they
needed
to
film
in
Vienna
and
Shanghai
to
properly
depict
those
cities
.
Ultimately:O
,:O
they:O
decided:O
they:O
needed:O
to:O
film:O
in:O
Vienna:location-GPE
and:O
Shanghai:location-GPE
to:O
properly:O
depict:O
those:O
cities:O
.:O