With no explanation, label each line with "O", "organization-sportsteam", "organization-education", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
1949
Boston
College
Eagles
football
team
represented
Boston
College
during
the
1949
college
football
season
.
The:O
1949:O
Boston:organization-sportsteam
College:organization-sportsteam
Eagles:organization-sportsteam
football:O
team:O
represented:O
Boston:organization-education
College:organization-education
during:O
the:O
1949:O
college:O
football:O
season:O
.:O