With no explanation, label each line with "person-soldier", "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
On
31
July
1912
,
Theodore
Gordon
Ellyson
became
the
first
person
to
be
launched
from
a
U.S.
Navy
catapult
system
.
On:O
31:O
July:O
1912:O
,:O
Theodore:person-soldier
Gordon:person-soldier
Ellyson:person-soldier
became:O
the:O
first:O
person:O
to:O
be:O
launched:O
from:O
a:O
U.S.:organization-other
Navy:organization-other
catapult:O
system:O
.:O