Simplify the following text for a Grade 11 native English-speaking person.
Original: The reconstructed Rotes Rathaus , then located in the Soviet sector , served as the town hall of East Berlin , while the Rathaus SchÃ neberg in SchÃ neberg borough was seat of the West Berlin Senate .
Simplified: The reconstructed Rotes Rathaus , then located in the Soviet sector , served as the town hall of East Berlin , while the Rathaus SchÃ neberg was seat of the West Berlin Senate .