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 ":".
Two
new
songs
were
included
in
the
performance
and
a
longer
running
time
allowed
for
greater
improvisation
by
the
actors
.
Two:O
new:O
songs:O
were:O
included:O
in:O
the:O
performance:O
and:O
a:O
longer:O
running:O
time:O
allowed:O
for:O
greater:O
improvisation:O
by:O
the:O
actors:O
.:O