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 ":".
One
of
the
stable
's
early
recruits
was
also
a
Bulgarian
–
former
junior
wrestling
champion
Ventsislav
Katsarov
(
Torakio
Daiki
)
who
retired
in
April
2019
and
returned
to
Bulgaria
.
One:O
of:O
the:O
stable:O
's:O
early:O
recruits:O
was:O
also:O
a:O
Bulgarian:O
–:O
former:O
junior:O
wrestling:O
champion:O
Ventsislav:person-athlete
Katsarov:person-athlete
(:O
Torakio:person-athlete
Daiki:person-athlete
):O
who:O
retired:O
in:O
April:O
2019:O
and:O
returned:O
to:O
Bulgaria:location-GPE
.:O