Please answer the following question: Generate a question about the following movie plot: The film tells the story of Lara, who grows up as the daughter of deaf parents. Lara herself is hearing and is fluent in sign language. Even as a young child, she serves as an interpreter for her parents in many situations. For example, she interprets at a credit negotiation at the bank, although not always completely truthfully. In Christmas, Lara receives a clarinet from her Aunt Clarissa, an enthusiastic musician. Lara discovers the world of music, where her parents cannot follow her. In the years that follow, Lara is discovered to be a talented clarinet player. After Lara's mother Kai is killed in a bike accident, Lara's father Martin feels abandoned. When the 18-year-old Lara wants to study at a music conservatory in Berlin, the family seems to break apart. The ending seems to reconcile it all: Lara's father tries to understand the love of music that his daughter feels, and the film comes to a careful reunion between Martin and Lara.
Answer:
what did lara serve as to her parents