With no explanation, label each line with "O", "building-theater", "organization-education", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
He
entered
the
Paris
Opera
Ballet
School
in
2004
,
and
the
Paris
Opera
Ballet
in
2010
.
He:O
entered:O
the:O
Paris:organization-education
Opera:organization-education
Ballet:organization-education
School:organization-education
in:O
2004:O
,:O
and:O
the:O
Paris:building-theater
Opera:building-theater
Ballet:building-theater
in:O
2010:O
.:O