With no explanation, label each line with "O", "other-chemicalthing", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
It
is
only
one
of
fourteen
Helium
plants
in
the
world
.
It:O
is:O
only:O
one:O
of:O
fourteen:O
Helium:other-chemicalthing
plants:O
in:O
the:O
world:O
.:O