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 ":".
The
requested
posters
were
printed
up
and
posted
in
the
Burgtheater
in
time
for
the
third
performance
on
24
May
.
The:O
requested:O
posters:O
were:O
printed:O
up:O
and:O
posted:O
in:O
the:O
Burgtheater:building-theater
in:O
time:O
for:O
the:O
third:O
performance:O
on:O
24:O
May:O
.:O