With no explanation, label each line with "O", "organization-sportsleague", "organization-sportsteam", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
He
played
junior
hockey
in
the
Ontario
Hockey
League
for
the
Peterborough
Petes
.
He:O
played:O
junior:O
hockey:O
in:O
the:O
Ontario:organization-sportsleague
Hockey:organization-sportsleague
League:organization-sportsleague
for:O
the:O
Peterborough:organization-sportsteam
Petes:organization-sportsteam
.:O