question: Who apologized to Chopin for adding embellishments to a musical piece he perforemed that was written by Chopin ?
answer: Liszt
turker_answer: Liszt apologized to Chopin for adding embellishments to a musical piece he perforemed that was written by Chopin .
rule-based: Liszt apologized to Chopin for adding embellishments to a musical piece he perforemed that was written by Chopin .