With no explanation, label each line with "O", "event-other", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Hitler
's
seizure
of
power
(
``
Machtergreifung
``
)
thus
ended
the
republic
.
Hitler:person-politician
's:O
seizure:O
of:O
power:O
(:O
``:O
Machtergreifung:event-other
``:O
):O
thus:O
ended:O
the:O
republic:O
.:O