With no explanation, label each line with "building-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
Alfred
P.
Murrah
Federal
Building
was
also
part
of
this
complex
until
the
April
1995
truck
bomb
explosion
that
killed
168
people
.
The:O
Alfred:building-other
P.:building-other
Murrah:building-other
Federal:building-other
Building:building-other
was:O
also:O
part:O
of:O
this:O
complex:O
until:O
the:O
April:O
1995:O
truck:O
bomb:O
explosion:O
that:O
killed:O
168:O
people:O
.:O