Complex sentence: Meanwhile, the Hudsucker janitor, Aloysius, discovers Amy's true identity and informs Mussburger, who reveals it to Norville and tells him that he will be dismissed as president after the new year.
Split into simpler sentences: Meanwhile, the Hudsucker janitor, Aloysius, discovers Amy's true identity and informs Mussburger. Mussburger reveals Amy's secret identity to Norville and tells him that he will be dismissed as president after the new year.