With no explanation, label each line with "O", "person-actor", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Larry
Hagman
,
Patrick
Duffy
,
Linda
Gray
and
Charlene
Tilton
all
participated
in
the
reunion
,
which
included
clips
of
past
episodes
.
Larry:person-actor
Hagman:person-actor
,:O
Patrick:person-actor
Duffy:person-actor
,:O
Linda:person-actor
Gray:person-actor
and:O
Charlene:person-actor
Tilton:person-actor
all:O
participated:O
in:O
the:O
reunion:O
,:O
which:O
included:O
clips:O
of:O
past:O
episodes:O
.:O