With no explanation, label each line with "O", "person-athlete", "event-sportsevent", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
final
match-up
of
the
year
between
the
Williams
sisters
was
during
the
round
robin
phase
of
the
year-ending
Sony
Ericsson
Championships
,
with
Venus
winning
5–7
,
6–1
,
6–0
.
The:O
final:O
match-up:O
of:O
the:O
year:O
between:O
the:O
Williams:person-athlete
sisters:O
was:O
during:O
the:O
round:O
robin:O
phase:O
of:O
the:O
year-ending:O
Sony:event-sportsevent
Ericsson:event-sportsevent
Championships:event-sportsevent
,:O
with:O
Venus:person-athlete
winning:O
5–7:O
,:O
6–1:O
,:O
6–0:O
.:O