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 ":".
This
``
evolution
''
was
mostly
``
cosmetic
''
at
the
keyboard
and
whole
ABS
plastic
case
.
This:O
``:O
evolution:O
'':O
was:O
mostly:O
``:O
cosmetic:O
'':O
at:O
the:O
keyboard:O
and:O
whole:O
ABS:O
plastic:O
case:O
.:O