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 ":".
The
canal
was
closed
on
1
July
1854
,
and
the
lock
and
aqueducts
on
the
upper
section
were
dismantled
.
The:O
canal:O
was:O
closed:O
on:O
1:O
July:O
1854:O
,:O
and:O
the:O
lock:O
and:O
aqueducts:O
on:O
the:O
upper:O
section:O
were:O
dismantled:O
.:O