With no explanation, label each line with "location-GPE", "O", "organization-sportsleague", "person-athlete", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
Their
first
selection
as
an
NFL
team
was
Riley
Smith
,
a
blocking
back
from
Alabama
.
Their:O
first:O
selection:O
as:O
an:O
NFL:organization-sportsleague
team:O
was:O
Riley:person-athlete
Smith:person-athlete
,:O
a:O
blocking:O
back:O
from:O
Alabama:location-GPE
.:O