Complex sentence: Abbie Hoffman and a group of future Yippies managed to get into a tour of the New York Stock Exchange, where they threw hundreds of dollar bills from the balcony of the visitors' gallery to the floor below.
Split into simpler sentences: Abbie Hoffman and a group of future Yippies managed to get into a tour of the New York Stock Exchange. They threw hundreds of dollar bills from the balcony of the visitors' gallery to the floor below.