Final answer:
Gerda communicates a message of hope in the play she writes and performs for her fellow prisoners, which brings fulfillment and joy to her life and the lives of others.
Step-by-step explanation:
Gerda communicates a message of hope in the play she writes and performs for her fellow prisoners. The play manages to convey hope by showing the resilience and strength of the human spirit, even in the face of adversity.
Gerda gets a sense of purpose and fulfillment from putting on the play, as it allows her to express herself creatively and bring joy to her fellow prisoners. She counts it as the "greatest thing I have done in my life" because it not only brings hope to her own life, but also to the lives of others.