With no explanation, label each line with "person-athlete", "organization-sportsteam", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Tommy
also
played
for
the
Oakland
Raiders
(
John
Madden
-'71-73
)
and
Houston
Oilers
(
Bum
Phillips
-
'74
)
.
Tommy:person-athlete
also:O
played:O
for:O
the:O
Oakland:organization-sportsteam
Raiders:organization-sportsteam
(:O
John:person-athlete
Madden:person-athlete
-'71-73:O
):O
and:O
Houston:organization-sportsteam
Oilers:organization-sportsteam
(:O
Bum:person-athlete
Phillips:person-athlete
-:O
'74:O
):O
.:O