With no explanation, label each line with "person-athlete", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Saunders
asked
to
fight
Alves
's
opponent
and
former
#
1
contender
Jon
Fitch
,
forcing
Saunder
's
opponent
Ellenberger
out
of
the
match
.
Saunders:person-athlete
asked:O
to:O
fight:O
Alves:person-athlete
's:O
opponent:O
and:O
former:O
#:O
1:O
contender:O
Jon:person-athlete
Fitch:person-athlete
,:O
forcing:O
Saunder:person-athlete
's:O
opponent:O
Ellenberger:person-athlete
out:O
of:O
the:O
match:O
.:O