Read this excerpt from a play.Hailey (entering from the side door and depositing a full backpack on the table): Hi, Mom! I’ve got a ton of homework tonight.Mrs. Renault (stepping forward and offering a letter for inspection): Oh, yeah? Well, a letter came for you today. It says it’s from the Encore Summer Institute.Hailey (taking the letter and opening it): I’ve been waiting for this (reading the letter, eyes growing wider). Oh, Mom, I got in. Unbelievable. I can’t, I mean, this is amazing.Mrs. Renault (shaking her head and clutching her hands, jaw dropping): Read it out loud. . . .Which line from the play contains dialogue that reveals emotion?