With no explanation, label each line with "O", "other-award", "organization-education", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
He
completed
his
studies
at
the
St.
Petersburg
Conservatory
in
1912
with
a
gold
medal
and
the
Anton
Rubinstein
Prize
,
He:O
completed:O
his:O
studies:O
at:O
the:O
St.:organization-education
Petersburg:organization-education
Conservatory:organization-education
in:O
1912:O
with:O
a:O
gold:O
medal:O
and:O
the:O
Anton:other-award
Rubinstein:other-award
Prize:other-award
,:O