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 ":".
While
taking
care
of
all
the
dirty
little
jobs
of
the
office
,
she
observed
with
a
sharp
eye
the
social
theatre
which
takes
place
during
meetings
.
While:O
taking:O
care:O
of:O
all:O
the:O
dirty:O
little:O
jobs:O
of:O
the:O
office:O
,:O
she:O
observed:O
with:O
a:O
sharp:O
eye:O
the:O
social:O
theatre:O
which:O
takes:O
place:O
during:O
meetings:O
.:O