Simon's play is a montage of adaptations and excerpts from Chekhov's stories, with a central character called the Writer blending them all together.
(Simon's play; is; a montage of adaptations and excerpts from Chekhov's stories, with a central character called the Writer blending them all together) (a central character; called; the Writer)
Simon's play a central character
is called
a montage of adaptations and excerpts from Chekhov's stories, with a central character called the Writer blending them all together
the Writer