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 ":".
Although
big
,
it
was
also
heavy
and
its
performance
lagged
behind
the
new
racing
tourers
.
Although:O
big:O
,:O
it:O
was:O
also:O
heavy:O
and:O
its:O
performance:O
lagged:O
behind:O
the:O
new:O
racing:O
tourers:O
.:O