Complex sentence: For the encore, after around one minute of silence, the screen displays a spinning spiral in the form of black and white lines, transitioning to "Problem," during which Grande wears a black and white dress, reminiscent of the song's music video.
Split into simpler sentences: For the encore, after around one minute of silence, the screen displays a spinning spiral in the form of black and white lines. This transitions to "Problem" in which Grande wears a black and white dress, reminiscent of the song's music video.