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 ":".
It
is
an
example
of
a
rare
type
of
covered
bridge
which
houses
a
bazaar
.
It:O
is:O
an:O
example:O
of:O
a:O
rare:O
type:O
of:O
covered:O
bridge:O
which:O
houses:O
a:O
bazaar:O
.:O