With no explanation, label each line with "O", "building-theater", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
He
has
worked
for
the
National
Theatre
of
Scotland
,
HighTide
and
National
Youth
Music
Theatre
.
He:O
has:O
worked:O
for:O
the:building-theater
National:building-theater
Theatre:building-theater
of:building-theater
Scotland:building-theater
,:O
HighTide:building-theater
and:building-theater
National:building-theater
Youth:building-theater
Music:building-theater
Theatre:building-theater
.:O