You can only attend one of these two concerts happening on the same day.
A: Nicki, Wizkid, J Cole, Rihanna, Ed Sheeran, Taylor Swift, Drake, Fireboy, NF, Adele
B: Cardi, Burna boy, Eminem, Beyoncé, Post Malone, Kendrick Lamar, Lana Del Rey, Rema, Davido, Sia.
Concert A or B?