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 ":".
He
served
as
the
quarterbacks
coach
for
the
Los
Angeles
Rams
from
1992
to
1993
.
He:O
served:O
as:O
the:O
quarterbacks:O
coach:O
for:O
the:O
Los:organization-sportsteam
Angeles:organization-sportsteam
Rams:organization-sportsteam
from:O
1992:O
to:O
1993:O
.:O