<human>: Question: While in Berlin he saw the operatic work of who?

Is "In September 1828 Chopin, while still a student, visited Berlin with a family friend, zoologist Feliks Jarocki, enjoying operas directed by Gaspare Spontini and attending concerts by Carl Friedrich Zelter, Felix Mendelssohn and other celebrities." the correct answer?

OPTIONS:
- yes
- no
<bot>: yes