With no explanation, label each line with "product-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
On
the
lower
level
,
old
barrels
were
made
into
bar
stools
.
On:O
the:O
lower:O
level:O
,:O
old:O
barrels:O
were:O
made:O
into:O
bar:product-other
stools:product-other
.:O