With no explanation, label each line with "location-GPE", "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Ironside
built
a
large
grain
warehouse
in
La
Rivière
,
Manitoba
where
he
competed
successfully
in
the
grain
business
.
Ironside:person-other
built:O
a:O
large:O
grain:O
warehouse:O
in:O
La:location-GPE
Rivière:location-GPE
,:O
Manitoba:location-GPE
where:O
he:O
competed:O
successfully:O
in:O
the:O
grain:O
business:O
.:O