With no explanation, label each line with "location-GPE", "O", "other-currency", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Over
time
,
hyperinflation
in
Zimbabwe
reduced
the
Zimbabwe
dollar
to
one
of
the
lowest
valued
currency
units
in
the
world
.
Over:O
time:O
,:O
hyperinflation:O
in:O
Zimbabwe:location-GPE
reduced:O
the:O
Zimbabwe:other-currency
dollar:other-currency
to:O
one:O
of:O
the:O
lowest:O
valued:O
currency:O
units:O
in:O
the:O
world:O
.:O