context: Her mother was Czechoslovakian, while her father was Polish.
source: After high school, Belokosztolsky trained as an opera singer and ballet dancer.
reference_original: Belokosztolsky estudou para ser cantora de ópera e bailarina depois de terminar o ensino médio.
reference_flipped: Belokosztolsky estudou para ser cantor de ópera e bailarino depois de terminar o ensino médio.