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
following
season
,
he
played
with
the
Pittsburgh
Steelers
.
The:O
following:O
season:O
,:O
he:O
played:O
with:O
the:O
Pittsburgh:organization-sportsteam
Steelers:organization-sportsteam
.:O