With no explanation, label each line with "location-GPE", "O", "person-athlete", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
Catalan
came
to
prominence
at
the
top
level
when
both
Garry
Kasparov
and
Viktor
Korchnoi
played
it
in
their
Candidates
Semifinal
match
in
London
in
1983
:
five
games
of
the
eleven-game
match
were
Catalans
.
The:O
Catalan:O
came:O
to:O
prominence:O
at:O
the:O
top:O
level:O
when:O
both:O
Garry:person-athlete
Kasparov:person-athlete
and:O
Viktor:person-athlete
Korchnoi:person-athlete
played:O
it:O
in:O
their:O
Candidates:O
Semifinal:O
match:O
in:O
London:location-GPE
in:O
1983:O
::O
five:O
games:O
of:O
the:O
eleven-game:O
match:O
were:O
Catalans:O
.:O