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 ":".
Over
the
next
ten
years
he
worked
in
a
``
relatively
undemanding
series
of
jobs
–
credit
controller
,
repo
man
''
during
the
day
,
teaching
himself
the
French
classical
repertoire
in
the
evenings
.
Over:O
the:O
next:O
ten:O
years:O
he:O
worked:O
in:O
a:O
``:O
relatively:O
undemanding:O
series:O
of:O
jobs:O
–:O
credit:O
controller:O
,:O
repo:O
man:O
'':O
during:O
the:O
day:O
,:O
teaching:O
himself:O
the:O
French:O
classical:O
repertoire:O
in:O
the:O
evenings:O
.:O