With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
Under
a
``
Rashtra
''
was
a
``
Vishaya
''
(
district
)
overseen
by
a
Vishayapathi
.
Under:O
a:O
``:O
Rashtra:O
'':O
was:O
a:O
``:O
Vishaya:O
'':O
(:O
district:O
):O
overseen:O
by:O
a:O
Vishayapathi:O
.:O