original: While on vacation in London, Fraser attended his first professional theatrical performance at the West End.
simplifications: Fraser attended his first professional theatrical performance at the West End. in London Fraser visited his first professional performance at the West End. Fraser vacationed in London. He attended his first professional theatrical performance at the West End. While on vacation in London, Fraser went to his first theatrical play at the West End. While on vacation in London, Fraser went to his first professional theater show at the West End. Fraser attended his first professional theatrical performance at the West End, while on vacation in London. While in London, Fraser went to his first professional theatrical performance. On vacation, Fraser attended his first professional theatrical performance at London's West End. Fraser went to his first profession theater performance while vacationing in London. While vacationing in London, Fraser went to the theater for the first time at the West End.