The Sentence Diagram Generator visually represents the grammatical structure of the sentence: "After the curtain descended on the final tableau, Redding waited in the lobby while the stream of people passed."

1. Main Clause: Redding waited in the lobby

   • Subject: Redding
   • Verb: waited
   • Prepositional Phrase: in the lobby
     • Preposition: in
     • Object of the Preposition: lobby

2. Subordinate Clause: After the curtain descended on the final tableau

   • Subordinating Conjunction: After
   • Subject: the curtain
   • Verb: descended
   • Prepositional Phrase: on the final tableau
     • Preposition: on
     • Object of the Preposition: tableau

3. Adverbial Clause: while the stream of people passed

   • Subordinating Conjunction: while
   • Subject: the stream of people
     • Noun: stream
     • Prepositional Phrase: of people
       • Preposition: of
       • Object of the Preposition: people
   • Verb: passed

This structure can be visually represented using the Sentence Diagram Generator to illustrate the relationships between the components of the sentence.