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
passed
from
the
Earth
on
August
12
,
1976
.
It:O
passed:O
from:O
the:O
Earth:other-astronomything
on:O
August:O
12:O
,:O
1976:O
.:O