With no explanation, label each line with "O", "person-artist/author", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Watercolor
and
oil
painting
were
only
part
of
Sheets
's
art
career
.
Watercolor:O
and:O
oil:O
painting:O
were:O
only:O
part:O
of:O
Sheets:person-artist/author
's:O
art:O
career:O
.:O