With no explanation, label each line with "O", "organization-sportsteam", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
Seahawks
were
again
in
1979
,
but
had
disappointing
losing
seasons
in
and
.
The:O
Seahawks:organization-sportsteam
were:O
again:O
in:O
1979:O
,:O
but:O
had:O
disappointing:O
losing:O
seasons:O
in:O
and:O
.:O