With no explanation, label each line with "location-GPE", "O", "person-scholar", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Harrison
then
suffered
a
severe
depression
and
started
to
study
the
more
primitive
areas
of
Greek
art
in
an
attempt
to
cure
herself
.
Harrison:person-scholar
then:O
suffered:O
a:O
severe:O
depression:O
and:O
started:O
to:O
study:O
the:O
more:O
primitive:O
areas:O
of:O
Greek:location-GPE
art:O
in:O
an:O
attempt:O
to:O
cure:O
herself:O
.:O