Input (grade 5): Two famous pieces in the key of F minor are Beethoven's Appassionata Sonata, and Haydn's Symphony No. 49 in F minor, La Passione.
Output (grade 7): Some famous pieces in the key of F minor are Beethoven's Appassionata Sonata, Haydn's Symphony No. 49 in F minor, La Passione, and Vivaldi's The Four Seasons.