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 ":".
1010
,
ploughed
into
the
mass
of
clay
at
a
speed
of
60
mph
,
telescoping
the
front
two
carriages
and
killing
seven
passengers
.
1010:O
,:O
ploughed:O
into:O
the:O
mass:O
of:O
clay:O
at:O
a:O
speed:O
of:O
60:O
mph:O
,:O
telescoping:O
the:O
front:O
two:O
carriages:O
and:O
killing:O
seven:O
passengers:O
.:O