a young student stands at the front of the classroom trying to give a presentation but cannot produce any words. The student's mouth opens and closes repeatedly while pointing at a poster behind them. Their face shows frustration and embarrassment as they gesture helplessly with their hands. The teacher leans forward with concern while classmates watch sympathetically from their desks. Some students exchange worried glances as they realize their friend has lost their voice. someone being unable to speak when they desperately want to communicate