With no explanation, label each line with "location-GPE", "O", "organization-sportsleague", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Subsequently
,
he
competed
in
the
1920
Summer
Olympics
and
in
the
1924
Summer
Olympics
(
seventh
in
the
decathlon
,
and
coach
of
the
U.S
.
pentathlon
)
.
Subsequently:O
,:O
he:O
competed:O
in:O
the:O
1920:organization-sportsleague
Summer:organization-sportsleague
Olympics:organization-sportsleague
and:O
in:O
the:O
1924:organization-sportsleague
Summer:organization-sportsleague
Olympics:organization-sportsleague
(:O
seventh:O
in:O
the:O
decathlon:O
,:O
and:O
coach:O
of:O
the:O
U.S:location-GPE
.:location-GPE
pentathlon:O
):O
.:O