With no explanation, label each line with "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
launch
,
followed
on
5
November
by
a
fund-raising
event
,
was
also
attended
by
Robert
Plant
and
Dave
Grohl
.
The:O
launch:O
,:O
followed:O
on:O
5:O
November:O
by:O
a:O
fund-raising:O
event:O
,:O
was:O
also:O
attended:O
by:O
Robert:person-other
Plant:person-other
and:O
Dave:person-other
Grohl:person-other
.:O