With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
King
's
career
and
gave
him
his
first
opportunity
to
perform
in
front
of
a
national
audience
.
King:O
's:O
career:O
and:O
gave:O
him:O
his:O
first:O
opportunity:O
to:O
perform:O
in:O
front:O
of:O
a:O
national:O
audience:O
.:O