the frame-story structure
hope this helps :)
During the talent show, Marissa <span>C) -obviously embarrassed by her voice cracking- </span>ran off the stage in the middle of her song.
Lancelot called Guenevere "sweetheart" and "darling" because they kissed and they thought that they were in love with each other.
Coincidence is not a form of irony. Sarcasm obviously is, Dramatic is when the reader/viewer knows more than the character in the plot. Situational irony is when the opposite of what's expected happens, and Coincidence is not an irony.