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 ":".
Courts
ruled
that
unnecessary
and
inappropriate
segregation
of
students
with
disabilities
was
unconstitutional
.
Courts:O
ruled:O
that:O
unnecessary:O
and:O
inappropriate:O
segregation:O
of:O
students:O
with:O
disabilities:O
was:O
unconstitutional:O
.:O