With no explanation, label each line with "O", "organization-government/governmentagency", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
On
Dumbadze
insulted
the
State
Duma
itself
.
On:O
Dumbadze:person-politician
insulted:O
the:O
State:organization-government/governmentagency
Duma:organization-government/governmentagency
itself:O
.:O