With no explanation, label each line with "O", "art-painting", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
By
2005
he
had
completed
a
series
of
``
Braille
paintings
``
designed
to
be
touched
and
interpreted
by
the
blind
.
By:O
2005:O
he:O
had:O
completed:O
a:O
series:O
of:O
``:O
Braille:art-painting
paintings:art-painting
``:O
designed:O
to:O
be:O
touched:O
and:O
interpreted:O
by:O
the:O
blind:O
.:O