With no explanation, label each line with "building-other", "O", "organization-media/newspaper", "location-GPE", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
Daryn
Kagan
and
Leon
Harris
were
live
on
the
air
just
after
9:00
a.m.
Eastern
Time
as
the
second
plane
hit
the
South
Tower
of
the
World
Trade
Center
and
through
an
interview
with
CNN
correspondent
David
Ensor
,
reported
the
news
that
U.S
.
officials
determined
``
that
this
is
a
terrorist
act
.
''
Daryn:person-other
Kagan:person-other
and:O
Leon:person-other
Harris:person-other
were:O
live:O
on:O
the:O
air:O
just:O
after:O
9:00:O
a.m.:O
Eastern:O
Time:O
as:O
the:O
second:O
plane:O
hit:O
the:O
South:building-other
Tower:building-other
of:building-other
the:building-other
World:building-other
Trade:building-other
Center:building-other
and:O
through:O
an:O
interview:O
with:O
CNN:organization-media/newspaper
correspondent:O
David:person-other
Ensor:person-other
,:O
reported:O
the:O
news:O
that:O
U.S:location-GPE
.:location-GPE
officials:O
determined:O
``:O
that:O
this:O
is:O
a:O
terrorist:O
act:O
.:O
'':O