With no explanation, label each line with "O", "event-other", "person-politician", "location-GPE", "event-attack/battle/war/militaryconflict", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
A
delegation
led
by
Vitaly
Vorotnikov
,
visited
Vietnam
during
its
National
Day
,
the
holiday
that
celebrated
the
establishment
of
North
Vietnam
after
the
August
Revolution
and
met
with
Lê
Duẩn
.
A:O
delegation:O
led:O
by:O
Vitaly:person-politician
Vorotnikov:person-politician
,:O
visited:O
Vietnam:location-GPE
during:O
its:O
National:event-other
Day:event-other
,:O
the:O
holiday:O
that:O
celebrated:O
the:O
establishment:O
of:O
North:location-GPE
Vietnam:location-GPE
after:O
the:O
August:event-attack/battle/war/militaryconflict
Revolution:event-attack/battle/war/militaryconflict
and:O
met:O
with:O
Lê:person-politician
Duẩn:person-politician
.:O