Complex sentence: The Hamiltons come downstairs for their meal and Mr. Hamilton mystifies Basil by asking for a Waldorf salad, who replies "I'm afraid we're just out of Waldorfs".
Split into simpler sentences: The Hamiltons come downstairs for their meal and Mr. Hamilton stymies Basil by asking for a Waldorf salad. Basil, mystified, replies "I'm afraid we're just out of Waldorfs".