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 ":".
After
searching
the
universe
for
several
years
,
the
first
suitable
planet
was
spotted
near
the
star
Beta
Hydri
24.4
light
years
from
the
Sun
.
After:O
searching:O
the:O
universe:O
for:O
several:O
years:O
,:O
the:O
first:O
suitable:O
planet:O
was:O
spotted:O
near:O
the:O
star:O
Beta:other-astronomything
Hydri:other-astronomything
24.4:O
light:O
years:O
from:O
the:O
Sun:other-astronomything
.:O