Elsa is going to practice some ballet movements, but at that time she has to study science. Perform a good rehearsal so when your sister come into the room you will be done. Don't get caught by her or the snowman!
What do you think Elsa will choose, the study or the ballet? She wants to show herself at the scene, moving like a gorgeous maiden, but she has to spend so much time in rehearsal. Make sure nobody watches you and start practicing, but stop immediately when you see someone is coming. Don't get caught by your friends!