With no explanation, label each line with "building-other", "O", "organization-education", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Towson
Plaza
was
an
open-air
mall
built
in
1952
on
ground
originally
sold
by
Goucher
College
.
Towson:building-other
Plaza:building-other
was:O
an:O
open-air:O
mall:O
built:O
in:O
1952:O
on:O
ground:O
originally:O
sold:O
by:O
Goucher:organization-education
College:organization-education
.:O