With no explanation, label each line with "O", "person-athlete", "organization-sportsteam", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Extra
time
saw
the
ejection
of
Portland
's
Diego
Chara
while
Cooper
and
Marco
Pappa
both
found
the
back
of
the
net
to
give
the
home
team
a
3–1
victory
.
Extra:O
time:O
saw:O
the:O
ejection:O
of:O
Portland:organization-sportsteam
's:O
Diego:person-athlete
Chara:person-athlete
while:O
Cooper:person-athlete
and:O
Marco:person-athlete
Pappa:person-athlete
both:O
found:O
the:O
back:O
of:O
the:O
net:O
to:O
give:O
the:O
home:O
team:O
a:O
3–1:O
victory:O
.:O