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 ":".
Consumers
were
invited
to
decide
``
Which
one
will
be
number
one
?
Consumers:O
were:O
invited:O
to:O
decide:O
``:O
Which:O
one:O
will:O
be:O
number:O
one:O
?:O