With no explanation, label each line with "location-GPE", "art-film", "O", "organization-company", "art-broadcastprogram", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Riders
to
the
Stars
is
a
1954
independently
made
American
science
fiction
film
produced
by
Ivan
Tors
Productions
and
released
by
United
Artists
.
Riders:art-film
to:art-film
the:art-film
Stars:art-film
is:O
a:O
1954:O
independently:O
made:O
American:location-GPE
science:O
fiction:O
film:O
produced:O
by:O
Ivan:organization-company
Tors:organization-company
Productions:organization-company
and:O
released:O
by:O
United:O
Artists:O
.:O