With no explanation, label each line with "O", "person-artist/author", "organization-education", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
Dayton
Art
Institute
holds
one
of
the
Warhol
portraits
in
its
collection
.
The:O
Dayton:organization-education
Art:organization-education
Institute:organization-education
holds:O
one:O
of:O
the:O
Warhol:person-artist/author
portraits:O
in:O
its:O
collection:O
.:O