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 ":".
In
the
escalators
'
undercarriage
,
approximately
of
accumulated
detritus
acted
as
a
wick
to
a
neglected
buildup
of
interior
lubricants
;
wood
veneers
,
paper
and
plastic
advertisements
,
solvent-based
paint
,
plywood
in
the
ticket
hall
,
and
melamine
combustion
added
to
the
impact
of
the
calamity
.
In:O
the:O
escalators:O
':O
undercarriage:O
,:O
approximately:O
of:O
accumulated:O
detritus:O
acted:O
as:O
a:O
wick:O
to:O
a:O
neglected:O
buildup:O
of:O
interior:O
lubricants:O
;:O
wood:O
veneers:O
,:O
paper:O
and:O
plastic:O
advertisements:O
,:O
solvent-based:O
paint:O
,:O
plywood:O
in:O
the:O
ticket:O
hall:O
,:O
and:O
melamine:O
combustion:O
added:O
to:O
the:O
impact:O
of:O
the:O
calamity:O
.:O