Complex sentence: The String Trio (1987) is a three movement work with a opening prelude (Presto) and a concluing fugue (Volante) with a central Adagio.
Split into simpler sentences: The String Trio (1987) is a three movement work. An opening Prelude (Presto) and a concluding Fugue (Volante) a re separated by a central Adagio.