With no explanation, label each line with "O", "other-astronomything", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
It
is
an
aging
blue
giant
around
four
times
as
massive
as
the
Sun
.
It:O
is:O
an:O
aging:O
blue:O
giant:O
around:O
four:O
times:O
as:O
massive:O
as:O
the:O
Sun:other-astronomything
.:O