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
the
future
,
it
will
probably
evolve
into
a
globular
cluster
.
In:O
the:O
future:O
,:O
it:O
will:O
probably:O
evolve:O
into:O
a:O
globular:O
cluster:O
.:O