With no explanation, label each line with "O", "organization-sportsteam", "event-sportsevent", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
He
had
previously
been
drafted
in
the
seventeenth
round
of
the
1966
AFL
Draft
by
the
Boston
Patriots
.
He:O
had:O
previously:O
been:O
drafted:O
in:O
the:O
seventeenth:O
round:O
of:O
the:O
1966:event-sportsevent
AFL:event-sportsevent
Draft:event-sportsevent
by:O
the:O
Boston:organization-sportsteam
Patriots:organization-sportsteam
.:O