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 ":".
Before
relocating
to
Princeton
,
the
school
resided
in
Dayton
,
Ohio
and
then
briefly
in
Ithaca
,
New
York
.
Before:O
relocating:O
to:O
Princeton:location-GPE
,:O
the:O
school:O
resided:O
in:O
Dayton:location-GPE
,:O
Ohio:location-GPE
and:O
then:O
briefly:O
in:O
Ithaca:location-GPE
,:O
New:location-GPE
York:location-GPE
.:O