With no explanation, label each line with "O", "event-sportsevent", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
It
was
the
110th
staging
of
the
French
Open
,
and
the
second
of
the
four
Grand
Slam
tennis
events
of
2006
.
It:O
was:O
the:O
110th:O
staging:O
of:O
the:O
French:event-sportsevent
Open:event-sportsevent
,:O
and:O
the:O
second:O
of:O
the:O
four:O
Grand:event-sportsevent
Slam:event-sportsevent
tennis:O
events:O
of:O
2006:O
.:O