Choose a wording or structure difference and explain its job.
My own try
Read the whole different source
Story: Eli's toy owl wants a reading corner. Eli draws a chair, adds a lamp picture and invents a book title. Procedure: Place the Chair card on the Corner mat. Put the Lamp picture beside it. Place the Book card on the chair after the chair is in place. No electrical device is involved.
Adult reads the whole source neutrally when wanted; exact child-directed recording, pointing/sign/AAC/drawing/type/speech remain available. Match print separately; no voice/neatness/speed gate.