Complex sentence: Theater Bonn (also known as the Stadttheater Bonn) is the municipal theatre of Bonn, North Rhine-Westphalia, Germany, is a theatrical organization that produces operas, musicals, ballets, plays, and concerts.
Split into simpler sentences: Theater Bonn (also known as the Stadttheater Bonn) is the municipal theatre of Bonn, North Rhine-Westphalia, Germany. It is an organization that produces operas, musicals, ballets, plays, and concerts.