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 ":".
Lazarenko
reached
the
semi-finals
of
the
tournament
,
losing
to
Keith
Deller
.
Lazarenko:person-athlete
reached:O
the:O
semi-finals:O
of:O
the:O
tournament:O
,:O
losing:O
to:O
Keith:person-athlete
Deller:person-athlete
.:O