Complex sentence: Joe later introduces Vito to Henry Tomasino, a soldato for Don Alberto Clemente, who instructs Vito to steal ration stamps from the Office of Price Administration while avoiding any violence.
Split into simpler sentences: Joe later introduces Vito to Henry Tomasino, a soldato for Don Alberto Clemente. Henry instructs Vito to steal ration stamps from the Office of Price Administration while avoiding any violence.