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 ":".
There
are
few
fractures
in
the
rock
in
this
part
of
the
tunnel
.
There:O
are:O
few:O
fractures:O
in:O
the:O
rock:O
in:O
this:O
part:O
of:O
the:O
tunnel:O
.:O