original: a fugue forms the development section of the last movement of his piano sonata op .
simplifications: his piano sonata ended with a fugue development . the development section of the last movement of his piano sonata op was formed by a fugue . a fugue make the development section of the last movement of his piano sonata op . a fague forms the development section of the last movement of his piano sonata op . the last movement of his piano sonata op. has a fugue as the development section . the final movement of his piano sonata uses a fugue in the development section . a fugue forms the development section of the last movement of his piano sonata op a fugue forms the development section of the last movement of his piano sonata .