With no explanation, label each line with "O", "person-scholar", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
David
Holmes
examined
sixty
years
of
research
about
the
Freudian
concept
of
``
repression
''
and
concluded
that
there
is
no
positive
evidence
for
this
concept
.
David:person-scholar
Holmes:person-scholar
examined:O
sixty:O
years:O
of:O
research:O
about:O
the:O
Freudian:O
concept:O
of:O
``:O
repression:O
'':O
and:O
concluded:O
that:O
there:O
is:O
no:O
positive:O
evidence:O
for:O
this:O
concept:O
.:O