With no explanation, label each line with "O", "event-sportsevent", "building-sportsfacility", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
first
U.S.
Senior
Open
was
conducted
on
the
East
Course
at
Winged
Foot
Golf
Club
and
has
also
been
held
at
Ridgewood
Country
Club
(
Composite
)
.
The:event-sportsevent
first:event-sportsevent
U.S.:event-sportsevent
Senior:event-sportsevent
Open:event-sportsevent
was:O
conducted:O
on:O
the:O
East:building-sportsfacility
Course:building-sportsfacility
at:building-sportsfacility
Winged:building-sportsfacility
Foot:building-sportsfacility
Golf:building-sportsfacility
Club:building-sportsfacility
and:O
has:O
also:O
been:O
held:O
at:O
Ridgewood:building-sportsfacility
Country:building-sportsfacility
Club:building-sportsfacility
(:building-sportsfacility
Composite:building-sportsfacility
):building-sportsfacility
.:O