With no explanation, label each line with "O", "location-bodiesofwater", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Robert
Bruce
was
a
successful
trader
and
he
immigrated
to
the
British
Gold
Coast
in
1745
.
Robert:person-other
Bruce:person-other
was:O
a:O
successful:O
trader:O
and:O
he:O
immigrated:O
to:O
the:O
British:location-bodiesofwater
Gold:location-bodiesofwater
Coast:location-bodiesofwater
in:O
1745:O
.:O