Which two sentences describe how Frau Bilder contributes to the plot? She enables Helmut to prove his skill to his parents when he repairs her watch. She reminds Helmut of the elegant life he might lead if he became a professional musician. She is there to illustrate how dedicated musicians often lead lonely lives. She appreciates Helmut's talent and convinces his parents that he has a special gift. She tries to convince Helmut's parents to allow him to follow to play music.