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 ":".
Investigations
on
the
Final
Problem
in
the
Symphonies
of
Gustav
Mahler
''
.
Investigations:O
on:O
the:O
Final:O
Problem:O
in:O
the:O
Symphonies:O
of:O
Gustav:O
Mahler:O
'':O
.:O