The Sentence Diagram Generator visually represents the grammatical structure of the sentence: "Papa's fist, clenching with fury, struck the table, a gesture of power that left me trembling."

1. Subject: Papa's fist

   • Modifier: clenching with fury

2. Predicate: struck the table

   • Direct Object: the table

3. Appositive: a gesture of power

   • Modifier: that left me trembling
     • Subject: that
     • Predicate: left me trembling
       • Direct Object: me

This structure highlights the relationships between the components of the sentence, illustrating how the appositive and modifiers enhance the main clause.