With no explanation, label each line with "location-GPE", "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
He
was
also
the
Physician
to
King
Mahendra
and
King
Birendra
and
later
became
the
first
Nepali
to
be
honoured
with
the
title
of
``
Royal
Physician
''
by
King
Birendra
,
a
rank
that
had
only
been
previously
held
by
overseas
doctors
.
He:O
was:O
also:O
the:O
Physician:O
to:O
King:person-politician
Mahendra:person-politician
and:O
King:person-politician
Birendra:person-politician
and:O
later:O
became:O
the:O
first:O
Nepali:location-GPE
to:O
be:O
honoured:O
with:O
the:O
title:O
of:O
``:O
Royal:O
Physician:O
'':O
by:O
King:person-politician
Birendra:person-politician
,:O
a:O
rank:O
that:O
had:O
only:O
been:O
previously:O
held:O
by:O
overseas:O
doctors:O
.:O