With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
In
the
1950s
more
aggressive
treatments
,
such
as
lobotomy
and
electro-convulsive
therapy
(
ECT
)
were
implemented
.
In:O
the:O
1950s:O
more:O
aggressive:O
treatments:O
,:O
such:O
as:O
lobotomy:O
and:O
electro-convulsive:O
therapy:O
(:O
ECT:O
):O
were:O
implemented:O
.:O