Teacher:In this task, you are given a question. You have to answer the question based on your information.
Teacher: Now, understand the problem? Solve this instance: Sergei Rachmaninoff's "Prelude in C-sharp minor" which played a prominent part in the detective novel "Overture to Death" was a single part of how many pieces to the ternary prelude he composed titled "Morceaux de fantaisie"?
Student:
five pieces