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
is
no
direct
route
to
either
by
public
transportation
.
There:O
is:O
no:O
direct:O
route:O
to:O
either:O
by:O
public:O
transportation:O
.:O