With no explanation, label each line with "O", "organization-sportsteam", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
This
was
Vince
Lombardi
's
final
game
as
the
Packers
'
head
coach
.
This:O
was:O
Vince:person-other
Lombardi:person-other
's:O
final:O
game:O
as:O
the:O
Packers:organization-sportsteam
':O
head:O
coach:O
.:O