With no explanation, label each line with "art-writtenart", "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "building-airport" or "building-hospital" preceded by ":".
In
1980
,
a
book
was
written
about
the
events
of
the
Gary
Gilmore
trial
,
entitled
``
The
Executioner
's
Song
``
.
In:O
1980:O
,:O
a:O
book:O
was:O
written:O
about:O
the:O
events:O
of:O
the:O
Gary:person-politician
Gilmore:person-politician
trial:O
,:O
entitled:O
``:O
The:art-writtenart
Executioner:art-writtenart
's:art-writtenart
Song:art-writtenart
``:O
.:O