With no explanation, label each line with "O", "event-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
association
of
merchants
on
the
street
regularly
organizes
events
,
including
a
giant
Advent
calendar
,
some
windows
on
the
street
are
numbered
and
each
day
one
of
them
opens
,
revealing
a
person
who
distributes
sweets
to
passersby
.
The:O
association:O
of:O
merchants:O
on:O
the:O
street:O
regularly:O
organizes:O
events:O
,:O
including:O
a:O
giant:O
Advent:event-other
calendar:O
,:O
some:O
windows:O
on:O
the:O
street:O
are:O
numbered:O
and:O
each:O
day:O
one:O
of:O
them:O
opens:O
,:O
revealing:O
a:O
person:O
who:O
distributes:O
sweets:O
to:O
passersby:O
.:O