With no explanation, label each line with "O", "organization-company", "person-actor", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Actor
Michael
Clarke
Duncan
formerly
provided
the
voiceover
for
all
Quiznos
commercials
.
Actor:O
Michael:person-actor
Clarke:person-actor
Duncan:person-actor
formerly:O
provided:O
the:O
voiceover:O
for:O
all:O
Quiznos:organization-company
commercials:O
.:O