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 ":".
Emergency
planning
was
put
in
preparation
for
the
rapid
occupation
of
Singapore
at
an
early
date
should
Japan
agree
to
accept
the
terms
of
the
Potsdam
Declaration
of
26
July
.
Emergency:O
planning:O
was:O
put:O
in:O
preparation:O
for:O
the:O
rapid:O
occupation:O
of:O
Singapore:location-GPE
at:O
an:O
early:O
date:O
should:O
Japan:location-GPE
agree:O
to:O
accept:O
the:O
terms:O
of:O
the:O
Potsdam:O
Declaration:O
of:O
26:O
July:O
.:O