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 ":".
In
the
1988
Wimbledon
Championships
he
played
mixed
doubles
with
Joy
Tacon
,
but
was
again
unable
to
reach
the
second
round
.
In:O
the:O
1988:O
Wimbledon:event-sportsevent
Championships:event-sportsevent
he:O
played:O
mixed:O
doubles:O
with:O
Joy:person-athlete
Tacon:person-athlete
,:O
but:O
was:O
again:O
unable:O
to:O
reach:O
the:O
second:O
round:O
.:O