With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Of
the
750,000
ethnic
Germans
who
once
lived
in
Romania
,
less
than
one-tenth
of
that
number
remain
today
.
Of:O
the:O
750,000:O
ethnic:O
Germans:O
who:O
once:O
lived:O
in:O
Romania:location-GPE
,:O
less:O
than:O
one-tenth:O
of:O
that:O
number:O
remain:O
today:O
.:O