With no explanation, label each line with "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Prior
to
starting
Plan
A
,
Aaron
partnered
with
Bradford
Perkins
and
Mary-Jean
Eastman
as
a
founding
principal
when
Perkins
Eastman
reorganized
in
1984
.
Prior:O
to:O
starting:O
Plan:O
A:O
,:O
Aaron:person-other
partnered:O
with:O
Bradford:person-other
Perkins:person-other
and:O
Mary-Jean:person-other
Eastman:person-other
as:O
a:O
founding:O
principal:O
when:O
Perkins:person-other
Eastman:person-other
reorganized:O
in:O
1984:O
.:O