What will the readers experience in a biographical play about Helen Keller that they will not experience in Helen Keller’s memoir?

The readers will read about real events from Helen Keller’s life rather than fictional events.
The readers will read about completely fictional events rather than real events from Helen Keller’s life.
The readers will learn about an event through Helen Keller’s perspective, not an outsider’s.
The readers will learn about an event through an outsider’s perspective, not Helen Keller’s.