With no explanation, label each line with "O", "person-athlete", "organization-sportsleague", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Because
of
this
,
Smith
holds
the
distinction
of
being
the
first
drafted
player
to
play
in
the
National
Football
League
.
Because:O
of:O
this:O
,:O
Smith:person-athlete
holds:O
the:O
distinction:O
of:O
being:O
the:O
first:O
drafted:O
player:O
to:O
play:O
in:O
the:O
National:organization-sportsleague
Football:organization-sportsleague
League:organization-sportsleague
.:O