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 ":".
In
addition
,
lemons
are
often
more
readily
available
,
and
cheaper
to
purchase
,
than
limes
.
In:O
addition:O
,:O
lemons:O
are:O
often:O
more:O
readily:O
available:O
,:O
and:O
cheaper:O
to:O
purchase:O
,:O
than:O
limes:O
.:O