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 ":".
One
day
after
this
announcement
,
every
bed
in
Philadelphia
's
31
hospitals
was
filled
.
One:O
day:O
after:O
this:O
announcement:O
,:O
every:O
bed:O
in:O
Philadelphia:location-GPE
's:O
31:O
hospitals:O
was:O
filled:O
.:O