Original sentence: He chose to play the piano because a childhood friend of his played from the age of three
Edited sentence: His parents came from the East German upper-middle class, as his father was lead engineer at a state-enterprise.. He chose to play the piano because a childhood friend of his played from the age of three.However, East German education policies necessitated military service as a prerequisite to matriculation.Unlike other members of Rammstein, Flake excelled at school and aspired to become a surgeon.With this dilemma in front of him, Flake opted to forego his dreams of becoming a surgeon