With no explanation, label each line with "O", "person-athlete", "organization-sportsteam", "organization-sportsleague", "event-sportsevent", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
The
primary
storyline
surrounding
Super
Bowl
XXII
was
that
Washington
's
Doug
Williams
was
the
first
African-American
quarterback
ever
to
start
in
a
Super
Bowl
.
The:O
primary:O
storyline:O
surrounding:O
Super:event-sportsevent
Bowl:event-sportsevent
XXII:event-sportsevent
was:O
that:O
Washington:organization-sportsteam
's:O
Doug:person-athlete
Williams:person-athlete
was:O
the:O
first:O
African-American:O
quarterback:O
ever:O
to:O
start:O
in:O
a:O
Super:organization-sportsleague
Bowl:organization-sportsleague
.:O