Read the sentence carefully. Which revision corrects the error?

Question

Joseph chose not to practice his most important piece his solo.

Joseph chose not to practice: his most important piece his solo.
Joseph chose not to practice his most important: piece his solo.
Joseph chose not to practice his most important piece: his solo.
Joseph: chose not to practice his most important piece his solo.

Answer 1

Joseph chose not to practice his most important piece: his solo.