With no explanation, label each line with "person-athlete", "event-sportsevent", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Diego
Nargiso
defeated
Jason
Stoltenberg
in
the
final
,
7–6
(
8–6
)
,
6–4
to
win
the
Boys
'
Singles
tennis
title
at
the
1987
Wimbledon
Championships
.
Diego:person-athlete
Nargiso:person-athlete
defeated:O
Jason:person-athlete
Stoltenberg:person-athlete
in:O
the:O
final:O
,:O
7–6:O
(:O
8–6:O
):O
,:O
6–4:O
to:O
win:O
the:O
Boys:O
':O
Singles:O
tennis:O
title:O
at:O
the:O
1987:O
Wimbledon:event-sportsevent
Championships:event-sportsevent
.:O